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.

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


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

Direct download: IST215_TheNakedWhenever.mp3
Category:episode -- posted at: 3:44pm CST

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. Get your tickets here.

And thanks for taking the voyage with us.

Direct download: ISTBonus_AllGoodThings_20190819.mp3
Category:extras -- posted at: 6:00am CST

You think this a bonus scene?

Improvised July 28, 2019 from a suggestion by Shawn Morgan via Facebook


Chris Rathjen as Corbomite Hayes
Sean Kelley as Entity 1
Nick Wagner as Entity 2
Mary Cait Walthall as Entity 3

The News:

- See us Live as GenreThon!

- Check out The Experts podcast featuring Irene Marquette

-Thanks to new iTunes reviewers!

Direct download: ISTBonus-YouthinkthisaGame-20190814.mp3
Category:extras -- posted at: 4:14pm CST

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


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.

Direct download: ISTEp214DearAliens.mp3
Category:episode -- posted at: 2:10am CST