Out of This World is a Sesame Street Live show which premiered in 2003. This was the first Sesame Street Live show to use the Martians.
Two homesick Martians come to Sesame Street, and they need help getting back to Mars. Big Bird and Elmo turn to their new friend, Terry, to help fix the Martians' spaceship.
- Big Bird, Oscar, Grundgetta, Bert, Ernie, Elmo, Grover, Cookie Monster, Zoe, Rosita, Count von Count, Baby Bear, Telly, Prairie Dawn, a Honker, the Martians and Terry.
While not credited in the program, the Two-Headed Monster appear breifly via tv screen during the Journey to Ernie portion of the show.
- Caroll Spinney as Big Bird, Oscar the Grouch
- Pam Arciero as Grundgetta
- Fran Brill as Zoe
- Kevin Clash as Elmo
- Eric Jacobson as Grover, Bert
- Jerry Nelson as Count von Count
- Carmen Osbahr as Rosita
- Martin P. Robinson as Telly Monster, Martian 1
- David Rudman as Baby Bear, Cookie Monster
- Matt Vogel as Martian 2
- Steve Whitmire as Ernie
- Noland McFarland as Telly Monster, 2004-2005