Improvised Star Trek
For ten years Improvised Star Trek explored the final frontier of comedy by turning Star Trek into an improv office comedy. Taking suggestions submitted on Twitter and Facebook, the cast (featuring some of Chicago’s top improvisors) creates a fully improvised episode detailing the adventures of the USS Sisyphus, a less enterprising starship. New episodes are posted every other week. Improvised Star Trek is a fan production. Star Trek is property of CBS.
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IST Lost Episode at GenreThon with Otherworld Theatre
07/06/2020
IST Lost Episode at GenreThon with Otherworld Theatre
Join us at Otherworld Theatre's (virtual) GenreThon festival this Friday July 10th to hear one of our previously-unproduced episodes: The Measure of a Manatee! More info and (virtual) tickets at
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Ep 226: Four Weddings and Also Another Wedding
11/23/2019
Ep 226: Four Weddings and Also Another Wedding
How do comedies end? Improvised on August 18, 2019 from a suggestion by Elliot M. Rauscher via Facebook Edited by Chris Rathjen Starring Rayna Caskey as Security Chief Bobbie Intern, En. DumP'in'a'Bucket Sean Kelley as Lt. Cdr. Crick Watson, Admiral Damocles, Lt. Doubtfire Chris Rathjen as Cdr. Corbomite Hayes, Lt. Atlas, Admiral Edelweiss Nick Wagner as Lt. Cdr. Ch'arles Lorem Mary Cait Walthall as Dr. Zarlene Zonalnzon, En. Cecile Operator, Admiral Portia Hayes, En. Julia Louis-Dreyfus, En. Doody Julia Weiss as Lt. Rita King, En. Spot Matt Young as Captain Julius Valentine Baxter, Lt. Greg, Tall Darrell, Small Darrell Thanks for ten great years;Live Long and Prosper
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Bonus: Cast on the Making of IST Part 3
11/21/2019
Bonus: Cast on the Making of IST Part 3
Part 3 of a conversation the cast of Improvised Star Trek had following the final episode of IST, recorded August 18, 2019 Featuring: Rayna Caskey Sean Kelley Chris Rathjen Nick Wagner Mary Cait Walthall Julia Weiss Matt Young Hear the last episode of IST with the cast at our live listening party November 22. RSVP
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Ep 225: Part Two, Part I
11/20/2019
Ep 225: Part Two, Part I
Will Lorem's rogue government cause Zarlene's early demise? Will Bobbie and Bronson ever reconcile? Find out in the thrilling conclusion! Featuring Eli Mandel as Rip Stipley Sean Kelley as Lt. Crick Watson Nick Wagner as Lt. Ch'arles Lorem Chris Rathjen as Cmdr. Corbomite Hayes, Lt. Bronson Rayna Caskey as Ensign Bobbie Intern Mary Cait Walthall as Ensign Operator, Zarlene Zonalzon
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Ep224:A Long Dayscycle Journey Into Nightcycle
11/18/2019
Ep224:A Long Dayscycle Journey Into Nightcycle
When it looks like Crick is moving up in the multiverse, the crew turns their eye to their bucket lists. Improvised on August 11, 2019 from a suggestion by Kyle Schafer via Facebook. Edited by Chris Rathjen Starring Rayna Caskey as En. Bobbi Intern Sean Kelley as Lt. Cdr. Crick Watson Chris Rathjen as Cdr. Corbomite Hayes Nick Wagner as Lt. Ch'arles Lorem Mary Cait Walthall as Dr. Zarlene Zonalzon Julia Weiss as Lt. Rita King, En. Spot Matt Young as Captain Julius Valentine Baxter, Pancakes Johnson, En Greg. with Griffen Eckstein as The Wanderer
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Bonus: Cast on the Making of IST Part 2
11/10/2019
Bonus: Cast on the Making of IST Part 2
Part 2 of a conversation the cast of Improvised Star Trek had following the final episode of IST, recorded August 18, 2019 Featuring Rayna Caskey Sean Kelley Chris Rathjen Nick Wagner Mary Cait Walthall Julia Weiss Matt Young RSVP for our final episode listening party, Nov 22, here:
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Ep 223: The 5,000 Fingers of Dr. Zarlene Zonalzon
11/05/2019
Ep 223: The 5,000 Fingers of Dr. Zarlene Zonalzon
Thumbed for an iffy prognosis, Lorem and Corbo peace out. Zarlene can't quite put her finger on a cause for the latest outbreak. Bobbi and Crick consult an index of away missions. Rip Stipley returns to the Sisyphus in time to lend a hand. Improvised on August 4, 2019 from a suggestion by Cameron Witham via Twitter. Edited by Eric Scull Starring: Rayna Caskey as En. Bobbi Intern, Engineer Sean Kelley as Lt. Cdr. Crick Watson, Lt. Carl Eli Mandel as Rip Stipley, Eerrrmmmm Christopher Rathjen as Cmdr. Corbomite Hayes, Scooter Nick Wagner as Ch'arles Lorem Mary Cait Walthall as Dr. Zarlene Zonalzon, En. Operator This episode is sponsored by via the .
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Ep 222: USS Sisyphus Holoween Spooktacular
10/31/2019
Ep 222: USS Sisyphus Holoween Spooktacular
A collection of spooky, ooky, and downright kooky scenes from the USS Sisyphus. * Rad Alert improvised May 5, 2019 from a suggestion by Wolfgang Deutsch * Rise of Pancakes Johnson improvised August 18, 2019 from a suggestion by Chip Wood *Corborobics improvised May 5th, 2019 from a suggestion by Laura Illige Harvey *Dog-boy, the Human-faced Dog improvised August 18, 2019 from asuggestion by Joe Redhead *Don't Drink your Pee...Mandatory Training improvised May 5, 2019 from a suggestion by @DiscoViolins * Sisyphus Crypt scenes improvised October 30, 2019 Edited by Chris Rathjen Starring Rayna Caskey as Security Chief Bobbi Intern, a documentarian Sean Kelley as Lt. Cdr. Crick Watson Shad Kunkle as Lt.Cdr. Gary Williamson Chris Rathjen as Cdr. Corbomite Hayes, a God-like Being Nick Wagner as Lt. Ch'arles Lorem Mary Cait Walthall as Dr. Zarlene Zonalzon, "Crepes" LeFluer Julia Weiss as Lt. Rita King, Ensign Spot Matt Young as Captain Julius Valentine Baxter, Pancakes Johnson Sponsored by Overcast via the Chicago Podcast Coop
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Ep 221: Seeking Counsel
10/28/2019
Ep 221: Seeking Counsel
Your favorite counselor wets their whistle. Improvised Sunday Sept 15, 2019 Starring Eleanor Hollingsworth as Lt. Rayvek Joe Phillips as Japhy Whitman with Kimberly Kutt as Synthr01d edited by Chris Rathjen Sponsored by Backblaze via the Chicago Podcast Coop.
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Bonus: The Tribble with Troubles
10/19/2019
Bonus: The Tribble with Troubles
The Crew meets a down-on-its-luck Tribble, and does what they do best. Plus, find details about how you can join the cast for the final episode of Improvised Star Trek. Improvised on August 18, 2019 from many many suggestion by all of you. Thank you. Edited by Chris Rathjen Starring Rayna Caskey as Security Chief Bobbi Intern Sean Kelley as Lt. Cdr. Crick Watson Chris Rathjen as Cdr. Corbomite Hayes, a Tribble-monger Nick Wagner as Lt. Ch'arles Lorem Mary Cait Walthall as Dr. Zarlene Zonalzon Julia Weiss as Lt. Rita King Matt Young as Captain Julius Valentine Baxter News: The Final Episode of Improvised Star Trek will air November 23rd RSVP for our final episode listening party, Nov 22, here: Read about the first performance of Improvised Star Trek ten eyars ago here: https://twitter.com/improvstartrek/status/1185676166704848899
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Ep 220: Vesselmania
10/15/2019
Ep 220: Vesselmania
The crew is seeing double when they attend Starfleets celebration of Space, Drinking, & Psychic Vessels. Chekov's pun does not go off. Improvised April 7, 2019 from a suggestion by Chris Lane via Facebook Edited by Roger Payton Starring Sean Kelley as Lt. Cdr. Crick Watson, USS Hood Officer Chris Rathjen as Corbomite Hayes, Ticket Taker Twins Nick Wagner as Ch'arles Lorem, Zarthur, an NCE, Twick & Twat Mary Cait Walthall as Dr. Zarlene Zonalzon, an NCE Julia Weiss as Lt. Rita King, Ensign Spot Sponsored by Overcast via the Chicago Podcast Coop
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Bonus: Irene and Hannah Curtain Call
10/10/2019
Bonus: Irene and Hannah Curtain Call
Empress Lady Cola and her last remaining ensign, face big moral questions while tenuously surviving on an abandoned ship. ALSO Empress Lady Cola returns to a planet where she dropped a baby off, a few years ago, and tries to retrieve it. AND Finally, Irene Marquette and Hannah Parsons give a brief farewell. Starring: Irene Marquette as Empress Lady Cola Hannah Parsons as Ensign Your Highness and Baby Lady Edited by Hannah Parsons
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Ep 219: Every Single Door is Broken
10/06/2019
Ep 219: Every Single Door is Broken
When every single door on the ship is broken the crew must find ways to cope with their poopy situation. Improvised July 21st, 2019 from a suggestion by @powerupemily via Twitter Starring: Chris Rathjen as Comdr. Corbomite Hayes Nick Wagner as Lt. Ch’arles Lorem Sean Kelley as Cmdr. Crick Watson Julia Weiss as Lt. Rita King and Ensign Spot Rayna Caskey as En. Bobbi Intern Edited by Hannah Parsons Sponsored by Overcast as part of the Chicago Podcast Co-op.
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Ep 218: We'll Always Have Parasites
10/01/2019
Ep 218: We'll Always Have Parasites
After visiting a jungle planet, a nearby Starfleet vessel turns up the heat for the Sisyphus crew. Meanwhile, Zarlene makes some difficult choices. Improvised on July 28, 2019 from a suggestion by Jessica B. via Twitter Edited by Eric Scull Starring Sean Kelley as Lt. Cmdr. Crick Watson, Lt. Carl, Cpt. Paul Rudd Christopher Rathjen as Cmdr. Corbomite B. Hayes, En. DumpInaBucket Nick Wagner as Lt. Ch'arles Lorem Mary Cait Walthall as Dr. Zarlene Zonalzon, En. Operator With special guest Eric Scull as Lt. Cmdr. Pecton Willis This episode is brought to you by as part of the .
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Ep 217: Oh Doctor, My Doctor!
09/23/2019
Ep 217: Oh Doctor, My Doctor!
Dr. Zonalzon puts it all on the online, but when fame presents new problems, can she kiss-it-better? Lorem & Spot connect the dots. Improvised January 13, 2019 from a suggestion by Kevin Hennessy via twitter. (With a brief scene borrowed from The Ship Explodes at the End suggested by @KanetheBoar) Starring Sean Kelley as Lt. Cdt. Crick Watson, Mr. Ernst. Christopher Rathjen as Cdr. Corbomite Hayes, Lt. Bronson Nick Wagner as Lt. Ch'arles Lorem, Kyle Connor Mary Cait Walthall as Dr. Zarlene Zonalzon Julia Weiss as Lt. Spot, Carol Connor with Special Appearance by Matt Young as Captain Julius Valentine Baxter "Yeah/Yeah(Don't Know Me Remix)" Composed by Nick Wagner Sponsored by Overcast via The Chicago Podcast Coop.
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Ep 216: Murder on the Murder Express
09/16/2019
Ep 216: Murder on the Murder Express
What will happen aboard the Murder Express? Murder. Probably murder. Featuring: Matt Young as Captain Baxter, Leprechaun Julia Weiss as Lt. Rita King, Ensign Spot Nick Wagner as Lt. Ch'arles Lorem, Mssr. LaPhlegm Sean Kelly as Lt. Crick Watson, Jehovah the Butler Eli Mandel as Rip Stipley Rayna Caskey as Ensign Bobbi Intern Chris Rathjen as Cmdr. Corbomite Hayes, Conductor
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Bonus: Cast on the Making of IST
09/09/2019
Bonus: Cast on the Making of IST
Part 1 of a conversation the cast of Improvised Star Trek had following the final episode of IST, recorded August 18, 2019 Featuring Rayna Caskey Sean Kelley Chris Rathjen Nick Wagner Mary Cait Walthall Julia Weiss Matt Young
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Ep 215: The Naked Whenever
08/31/2019
Ep 215: The Naked Whenever
Something funky is afoot when the clothes on the USS Sisyphus go missing. Improvised in a live performance at GenreThon 2019 at the OtherWorld Theatre in Chicago, IL Recorded August 24, 2019 Includes cast warmups - full episode begins at 15:00 Featuring Rayna Caskey as Ensign Bobbi Intern Dan Granta as Lt. DuFarge Sean Kelley as Cmdr. Crick Watson, a shirt Chris Rathjen as Cmdr. Corbomite Hayes, a shirt Nick Wagner as Lt. Ch’arles Lorem, Gavin Mary Cait Walthall as Dr. Zarlene Zonalzon, En. Operator, a shirt Julia Weiss as Lt. Rita King, Ensign Spot, Michelln Matt Young as Captain Julius Valentine Baxter, pants Winner of "Best of the Fest" for the GenreThon Video available at https://youtu.be/xmWOtufiWqc
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Announcement: All Good Things...
08/19/2019
Announcement: All Good Things...
It's a special announcement from the cast of Improvised Star Trek. Improvised Star Trek's first appeared as a live show on October 19, 2009, & was reborn as a podcast on April 10, 2011. After a decade aboard the USS Sisyphus, and over 200 episodes, we're flying off into the sunset. Keep listening for final episodes and behind-the-scenes material in coming months as we prepare to say goodbye to the finest ship in the fleet. And if you're in Chicago, check out our final live performance as part of Otherworld Theatre's Genre-Thon. And thanks for taking the voyage with us.
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Bonus: You think this a game?
08/14/2019
Bonus: You think this a game?
You think this a bonus scene? Improvised July 28, 2019 from a suggestion by Shawn Morgan via Facebook Featuring Chris Rathjen as Corbomite Hayes Sean Kelley as Entity 1 Nick Wagner as Entity 2 Mary Cait Walthall as Entity 3 The News: - Check out podcast featuring Irene Marquette -Thanks to new iTunes reviewers!
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Ep 214: Dear Aliens
08/11/2019
Ep 214: Dear Aliens
No one is surprised when Corbo gets impaled by ANOTHER girder. Meanwhile, Baxter is busy bonding with his alien pen pal, Crystal. Improvised June 30th, 2019 from a suggestion by Saskia Slottje via Facebook Starring: Matt Young as Captain Baxter Chris Rathjen as Comdr. Corbomite Hayes Nick Wagner as Lt. Ch’arles Lorem Sean Kelley as Cmdr. Crick Watson Julia Weiss as Ensign Spot and Crystal Edited by Hannah Parsons Sponsored by Overcast as part of the Chicago Podcast Co-op.
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Ep 213: It's 5 O'Clock Everywhere
07/30/2019
Ep 213: It's 5 O'Clock Everywhere
The Sisyphus crew find themselves in a mysterious laboratory with an eccentric doctor. Next, they find themselves in a mysterious laboratory with an eccentric doctor. This episode was improvised on Jun 23, 2019 from a suggestion by @messgirl via Twitter Edited by Eric Scull Starring Sean Kelley as Lt. Cdr. Crick Watson Christopher Rathjen as Dr. Zong Nick Wagner as Lt. Ch'arles Lorem Mary Cait Walthall as Dr. Zonalzon Julia Weiss as Lt. Rita King, Rick This episode sponsored by via the Warning: explicit language present
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Lt. Toast and the Mysterious Toaster
07/07/2019
Lt. Toast and the Mysterious Toaster
Lt. Sourdough makes his play. Improvised as a warm-up on June 30, 2019 from a suggestion by @greenturtles6 via Twitter. Featuring Nick Wagner as Lt. Cdr. Ch'arles Lorem Matt Young as Lt. Sourdough Julia Weiss as Cpt. Butter Edited by Chris Rathjen News We're performing live with the Otherworld Theater's SciFi Comedy Festival Genre-Thon August 24. . Thanks to all our recent iTunes reviewers!
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Ep 212: Slings and Arrows
07/01/2019
Ep 212: Slings and Arrows
While daring Sisyphus flies through dark space A ghost requires a Lorem face to face And as the crew's reality does ween Is all the world a stage, or all a dream? Chris Rathjen as Ghost of Lt. Pombeau, Cmdr. Corbomite Hayes Nick Wagner as Lt. Ch'arles Lorem Julia Weis as Ensign Spot, Lt. Rita King Rayna Caskey as Ensign Bobbi Sean Kelly as Lt. Cmdr. Crick Watson. Dan Granata as Lt. DeFarge
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Ep 211: The Death of Admiral Bonbonbonbon
06/16/2019
Ep 211: The Death of Admiral Bonbonbonbon
Mourning the death of an old friend, the crew mustache themselves where it all went Ron. Improvised on March 2, 2016 from a suggestion by Steve Marsh via Facebook. Edited by Chris Rathjenjenjenjen Starring:
Rayna Caskey as En. Bobbi Intern
Sean Kelley as Lt. Cdr. Crick Watson
Nick Wagner as Lt. Ch’arles Lorem, Admiral Ron Bonbonbonbon
Mary Cait Walthall as Admiral Portia Hayes
Julia Weiss as Dawn Jonston-Bonbonbonbon, Mustache
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Matt Young as Julius Valentine Baxter, Lt. Greg Sponsored by Overcast via the Chicago Podcast Coop
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Ep 210: Ever Have I Never
06/09/2019
Ep 210: Ever Have I Never
Ever have I never, lead the crew of the Sisyphus to their doom. Improvised on February 17, 2019 from a suggestion by Deanna Domino via Facebook. Starring: Chris Rathjen as Comdr. Corbomite Hayes Sean Kelley as Cmdr. Crick Watson Nick Wagner as Lt. Ch’arles Lorem Mary Cait Walthall as Dr. Zarlene Zonalzon and Ensign Operator Julia Weiss as Rita King and Ensign Spot Edited by Hannah Parsons Brought to you by Overcast through the Chicago Podcast Coop
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Ep 209: Brevity is the
04/29/2019
Ep 209: Brevity is the
#209: Brevity is the Rita ends things. This episode was improvised on February 17, 2019 from a suggestion by Brian Sebby via Facebook. Edited by Eric Scull Starring: Sean Kelley as Lt. Cdr. Crick Watson Christopher Rathjen as Cdr. Corbomite B. Hayes, Cloud, Bronson Nick Wagner as Lt. Ch'arles Lorem Mary Cait Walthall as En. Jill, En. Operator, Cloud Julia Weiss as Spot, Lt. Rita King Brought to you by Lagunitas through the Chicago Podcast Coop
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Ep 208: Oops All Spiders
04/17/2019
Ep 208: Oops All Spiders
The crew needs to face their fears, like you do. Improvised August 26, 2018 from a suggestion by Joel Svenson via Facebook, when we had no idea there'd be spiders in episode 207. Edited by Roger Payton Sponsored by Cards Against Humanity via the Chicago Podcast Coop Starring Carl Clancy as Arachnina the Spider Queen, Chief O'Daugherty, Pup Sean Kelley as Lt. Cdr. Crick Watson, Doggo Queen Chris Rathjen as Cdr. Corbomite Hayes, Failure Queen Julia Weiss as Lt. Rita King, Ensign Spot, En. Steverson Matt Young as Cpt. Julius Valentine Baxter, Lt. Greg
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Bonus: Spring Creaming
04/12/2019
Bonus: Spring Creaming
Rita springs twitterpation on an alien captain. Improvised on April 7, 2019 from a suggestion by Gavin Rehder via Facebook Starring Julia Weiss as Lt. Rita King Chris Rathjen as Alien Captain Nick Wagner as Lt. Ch'arles Lorem Sean Kelley as Lt. Cdr. Crick Watson News Thanks for coming to C2E2! Check out for video! We appeared on the ! Thanks to new iTunes reviewers!
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Ep 207: Three Long Days
04/01/2019
Ep 207: Three Long Days
Improving their project management causes the crew of the Sisyphus more problems than they can count on their many limbs. Performed LIVE on March 23, 2019 at the Cards Against Humanity Comedy Stage at C2E2 in Chicago, IL. Starring Rayna Caskey as Ensign Bobbi Intern Dan Granata as Lt. DeFarge Sean Kelley as Lt. Cdr. Crick Watson Christopher Rathjen as Cdr. Corbomite Hayes, En. Baskin Nick Wagner as Lt. Ch'arles Lorem, Pierre Spidier, Pierre Spidier Junier Mary Cait Walthall as Dr. Zarlene Zonalzon, En. Operator, a spider Julia Weiss as Lt. Rita King, En. Spot Matt Young as Captain Julius Valentine Baxter, Lizard Guy, En. Randall Live Foley by Dan Granata Podcast Episode Sponsored by Cards Against Humanity via the Chicago Podcast Coop. Live performance courtesy of the Cards Against Humanity Comedy Stage at C2E2 Title suggestions via Twitter: Three Long Days - Matthew Doll(@ArchiCroc) Warmups: Space Pickles - David Samba (@DavidSamba13) The Last Litter Box - Ronald Hobbs (@evilbob2200) The Deadly Supermoon - Robert Sharp (@sharobob) The Impossible Air Banana - Keegan S (@jumphighfive)
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