These are guest stars that all appeared on Season 1 of Yo Gabba Gabba!
- Elijah Wood (who has previously guest starred on PBS' BOUNCE)
- Mark Mothersbaugh (from the band Devo, who have previously did the theme song for Rugrats)
- The Salteens
- The Aquabats
- Tony Goddess
- The Aggrolites
- Hector Jimenez
- Smoosh
- Mark Kozelek
- Mya
- The Brothers Chaps
- Supernova
- Biz Markie
- Low
- Tony Hawk (who has previously guest starred on PBS and HBO's Sesame Street)
- Alex Desert
- Nikki Flores
- Call Sound Call Noise
- Leslie Hall (who has previously guest starred on Chic-a-Go-Go), DJ Dr. Laura and the Junior Gems
- Adam Delbert (AKA Muno)
- Black Kids
- Shiny Toy Guns
- I Monster
- Sugarland
- Ian Fowles
- Cornelius
- Dean and Britta
- Sean Kingston
- Rahzel
- The Little Ones
- Laila Ali
- Trembling Blue Stars
- The Shins
- Jason Falkner