The Monkey Pop-Up Theater is a segment in Between the Lions.
In a pop-up theater, the monkeys perform a song based on the featured letter.
- Sven Said, Ten Tents, Ted Sent Ten Cents
- There is No Need to Light a Night-Light
- Irish Step Dance with the Short O
- Loose Tooth Tango
- No Sleep for Bo-Peep
- Episode 01: Pecos Bill Cleans Up the West
- Episode 04: Farmer Ken's Puzzle
- Episode 05: Shooting Stars
- Episode 20: A Peck of Peppers
- Episode 22: Red Hat, Green Hat
- Episode 25: A King and His Hawk
- Episode 27: Piggyback, Piggyback
- Episode 38: Bobby the Hopping Robot
- Episode 48: Why the Baboon's Balloon Went Ka-boom!
- Episode 52: Tweet! Tweet!
- Episode 55: Stop That Chicken!
- Episode 58: What Parakeets Need
- Episode 59: Too Cool
- Episode 75: The Golden Meaty Awards
- Episode 79: Earl's Too Cool / When I Was Five