What Happens During the Show?
Case File-Opened
The show begins with a brand new, unexplained UFO encounter.
Investigation
Your ideas help uncover the truth as our agents create a hilarious story, completely made up on the spot.
Case Closed
Will Earth be saved? No two cases the same; brand new adventures every Sunday.
The Show is Perfect For:
Upcoming Shows
Intimate audiences. Limited seating. Advanced tickets recommended.
Frequently Asked Questions
What kind of show is UFO Case Files?
UFO Case Files is a live improvised comedy show in Chicago where performers create a Men in Black and X-Files style movie based entirely on audience suggestions.
When is UFO Case Files in Chicago?
The show runs every Sunday from 7:00 PM to 8:00 PM at Cosmic Underground Theater.
Is UFO Case Files a good choice for things to do in Chicago?
Yes. It’s a unique live comedy experience for locals, visitors, date nights, and groups looking for fun things to do in Chicago.
Why is UFO Case Files different from other Chicago improv shows?
It combines audience-driven improv with a strong sci-fi movie concept, nostalgic conspiracy vibes, and a fresh one-of-a-kind story every single week.
Do audience suggestions change the show?
Yes. The audience inspires the case, the characters, and the world of the performance, so every show is completely different.
How long is the show?
One hour, from 7:00 PM to 8:00 PM.
Is this a good date night in Chicago?
Very much so. It’s funny, interactive, memorable, and more original than the usual dinner routine.
Do I need to know sci-fi to enjoy it?
Nope. If you like laughing, you’re already qualified.
Is it scripted?
Not at all. The whole movie-style story is created live from audience suggestions.
Will I have to go on stage?
Only if you desperately want to be recruited. Otherwise, you can safely suggest weird stuff from your seat.
Is it good for a group?
Absolutely. This show is built for shared laughs and “remember when that happened?” moments afterward.
Is this a good Sunday night Chicago plan?
Extremely. It’s one hour, high-energy, memorable, and a lot more fun than scrolling the internet asking what to do in Chicago.
What is UFO Case Files?
A secret government agency investigates alien encounters, unexplained events, and interdimensional disasters — all completely improvised live.
Every performance is different, combining comedy, sci-fi, lots audience interaction, and unexpected twists.
Mission Details: Quick Facts
What is The Show: Think “Men in Black” meets “Whose Line Is It Anyway?” An intimate, live, improvised, sci-fi comedy driven by audience suggestions
When: Sundays 7-8 PM
Where: Cosmic Underground Theater, Chicago’s Logan Square
Tickets: Starting at $20. Limited to 35-seats
Ages: 16+
BYOB Welcomed: Read more about our BYOB policy here.
Best For: Date nights, group hangs, comedy lovers, sci-fi fans, and anyone searching for things to do in Chicago on Sunday night
A Live Comedy Mission for your Sunday Night
Looking for things to do in Chicago or the best improv show in Chicago for your Sunday night plans? At Cosmic Underground Theater, our performers create a hilarious Men in Black meets X-Files style movie completely from your suggestions. Strange sightings. Government secrets. Untrustworthy witnesses. Zero script. Maximum chaos.
- A brand-new show every week
- Built entirely from audience suggestions
- Funny, nostalgic, weird, and wildly made up
- Sundays from 7pm–8pm
Why This Show Hits Like a Lost Sci-Fi Comedy Classic
It’s nostalgic without being a parody
Think trench coats, flashlights, creepy files, suspicious agencies, and the kind of extraterrestrial nonsense that made late-night TV feel magical.
It’s improvised, so no two missions are the same
Every audience creates a different story, different characters, different conspiracy, and a different descent into beautiful nonsense.
It’s funny from start to finish
The vibe is clever, playful, fast, and ridiculous — whether you’re a hardcore improv fan, a sci-fi nerd, or just someone hunting for fun things to do in Chicago this weekend.
It’s an easy Sunday night plan
One hour. Big laughs. No homework. No need to know improv. Just show up and help launch the case.
How the Case Gets Cracked
Step 1: The audience reports the “incident.”
A strange object in the sky. A cursed gas station hot dog. A llama with government clearance. We take your suggestions seriously. Probably too seriously.
Step 2: The agents investigate.
Our performers build a brand-new movie-style world on the spot — complete with suspicious clues, dramatic reveals, and absolutely rock-solid fake evidence.
Step 3: The truth gets weirder.
What starts as a simple alien encounter usually spirals into a full-blown comedy conspiracy with unforgettable characters and zero chance of ever happening the same way again.
The Case Reopens This Sunday
Chicago has plenty of things to do. But only one of them lets you help launch a totally improvised alien conspiracy comedy at 7 PM on a Sunday. Grab your tickets for UFO Case Files and join the investigation before the evidence mysteriously vanishes.
Every show is 35-seats and one night only. Once the case closes, it’s gone forever.
