Improvised Star Trek
Improvised Star Trek explores 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. To learn more about the show check out our website, facebook page, or twitter!
Improvised Star Trek is fan production. Star Trek is property of CBS/Paramount.

When chore day rolls around, Cmdrs. Hayes and Watson head to the laundromat.



Chris Rathjen as Cmdr. Hayes

Sean Kelley as Lt. Cmdr. Crick Watson

Julia Weiss as Barb

Mary Cait Walthall as Maggie

Eli Mandel as Yeoman Devin

Direct download: IST181_Laundromat.mp3
Category:episode -- posted at: 1:09pm CST

Lorem and Bobbi crap open a cold one*.

*recursive paradox

Improvised February 11, 2018 from a suggestion via @nerdlunch

Includes News for March 3, 2018

- Improvised Star Trek is playing live this year at C2E2! April 7 at 6:30
- Eli Mandel has a new podcast of his own, "Crowning Around"
- We've been receiving a lot of great Fan Art lately and we love it!
- We've also got a show incognito on March 19!* DM us on Twitter or Facebook for details


*An earlier version of the bonus said March 18. It is in fact March 19!


Direct download: ISTBonus_ShipInABeerCan.mp3
Category:extras -- posted at: 9:49am CST

Picture this: Captain Baxter and Dr. Zonzalzon meet a hologram with a full head of heads.

Improvised February 4, 2018 from a suggestion by Joe Redhead

Edited by Chris Rathjen


Sean Kelley as Crick Watson, Holographic Ensign Jones
Eli Mandel as Holographic Captain Forrester, Rip Stiply
Nick Wagner as Lt. Ch'arles Lorem
Mary Cait Walthall Dr. Zarlene Zonzalzon
Matt Young Captain Julius Valentine Baxter, Lt. Greg

Sponsored by the Second City Training Center and the Chicago Podcast Coop.

Direct download: IST181_TwosCompanyThreesACollectiveHivemind.mp3
Category:episode -- posted at: 2:21am CST

Oops, Crick did it again. Played god with a world, gave gifts to the crew. Oh Rita, Rita. Oops, now Commands up for grabs, but when starfleet shows up, no one is innocent.


Rayna Caskey as Bertha
Jack Felker as Kate or Katie, Cdr. Justine
Sean Kelley as Lt. Cdr. Crick Watson
Eli Mandel as Rip Stipley, Lt. Jeremy Swanson
Mary Cait Walthall as Lt. Cecile Operator
Julia Weiss as Lt. Rita King, Baklavar
Nick Wagner as Lt. Ch'arles Lorem

Sponsored by Second City via the Chicago Podcast Coop

Direct download: IST180_OopsIamDestroyerof_Worlds.mp3
Category:episode -- posted at: 4:54pm CST

Ep 179: A Lorem in Winter

Lending medical aid to Lorem’s home planet of Trill, the Sisyphus crew find themselves embroiled in a violent fight for succession. Whoever becomes emperor will have a tummy to fill with royal worminess and that's apparently the "none-offensive" way of saying that so feel free to un-clench your butts.


Matt Young as Captain Baxter and Bardos Lorem

Nick Wagner as Lt. Ch’arles Lorem

Sean Kelley as Cmdr. Crick Watson and Shmax

Eli Mandel as Acting Security Chief Rip Stiply and Valcomer

Mary Cait Walthall as Zarlene Zonalzon and Henrietta Lorem

And Special Guest Eunji Kim as Ensgn Pie Hole and Aquitaine Lorem

Edited by Hannah Parsons

Improvised December 10th, 2017 from a suggestion by Tracy Holt via Facebook

This episode is sponsored by Backblaze Online Backup – It's a simple way to back up all your movies, photos, music, videos, and all other data for just $5/month. It’s simple and you can access all your data online, from wherever you are. Try it absolutely free by going to:

Direct download: IST179ALoreminWinter.mp3
Category:general -- posted at: 11:17am CST

The Sisyphus crew answer a distress call whose sender may be more than meets the eye. Ensign Operator really shines on an away mission. Crewpersons left behind on board commiserate, and break out the puff paint!

This episode was improvised on October 15, 2017 from a suggestion by Brian Sebby via Facebook.

Edited by Eric Scull


Rayna Caskey as En. Bobbi Intern
James Dugan as Zax, Lt. Amber
Mike Geraghty as Glormp, En. Pickett
Sean Kelley as Lt. Cdr. Crick Watson
Eli Mandel as Rip Stipley
Nick Wagner as Lt. Ch'arles Lorem
Mary Cait Walthall as Zarlene Zonalzon, En. Operator
Matt Young as Cpt. Julius V. Baxter, Phaser Ensign, Transport Chief

Sponsored by Overcast

Special thanks: Marie Kondo for her Life-Changing Magic of Tidying Up

Direct download: Ep_178__Secret_of_Space_Station_Alpha.mp3
Category:episode -- posted at: 5:51am CST

Happy New Year! The cast and crew pick their favorite episodes of 2017.


Background music from Smooth Federation by Alexander Alan

Direct download: ISTBonus_Goodbye2017.mp3
Category:extras -- posted at: 8:49pm CST

Captain Baxter's quest for the perfect Christmas mission is a resounding success, assuming your family traditions include cabin fever and existential dread. 

Improvised on 9/3/2017. Title suggested by Nat Blackburn via Twitter


Matt Young as Captain Baxter

Chris Rathjen as Cmdr. Corbomite Hayes, Dirk Snowman

Mary Cait Walthall as Dr. Zarlene Zonalzo

Eli Mandel as Lt. Rip Stipley, Doug Snowman

Nick Wagner as Lt. Ch'arles Lorem, Mr. Snowman

Julia Weiss as Ensign Spot, Jiminy

Sean Kelley as Lt. Cmdr. Crick Watson, Steve Snowman


Direct download: IST177_BabyItsOldOutside.mp3
Category:episode -- posted at: 3:41pm CST

It's a normal day when Rip & Bobbi try to keep the new intern occupied, but the USS Sisyphus may be about to experience a divine internvention.

Improvised November 5, 2017 from a suggestion by Brian Sebby via Facebook.

Edited by Chris Rathjen


Rayna Caskey as En. Bobbi Intern
Sean Kelly as Lt. Cdr.Crick Watson
Eli Mandel as Rip Stipley, Lt. Jeremy Swanson, Cockney Bartender
Chris Rathjen as Cdr. Corbomite Hayes, Lt. Bronson
Nick Wagner as Lt. Ch'arles Lorem
Matt Young as Billy Swanson

With Special Guest Ashkahn Jahromi as "Terse Skipley"

Sponsored by Simplecast a member of the Chicago Podcast Coop

Featuring a special bonus Mini-sode "Strongarm Armstrong and the Strongest Arm," improvised from a suggestion by Nat Blackburn

Direct download: IST176_WhatDoesGodNeedWithAnInternship.mp3
Category:episode -- posted at: 10:42am CST

A mysterious discovery from Earth's past sends the Sisyphus back in time. But a new commander may be concealing a zip best left unzopped.

Improvised June 21, 2017 from a suggestion by @blinovich via Twitter

Edited by Roger Payton

Sponsored by Overcast as part of the Chicago Podcast Coop


Direct download: IST175_TimsArrow.mp3
Category:episode -- posted at: 6:13pm CST