Circus is the 1st episode of Yo Gabba Gabba! from Season 3. In this episode, the characters help Al the Ringmaster make a circus in Gabba Land. Brobee learns to be a clown, and everyone gets to perform.
- This is the first episode to be in 16:9 widescreen.
- DJ Lance does not say "I had a great time today!".
- This is the first episode to be premiered in 2010.
- There are lots of guests who attended at the circus.
- "Weird Al" Yankovic attends the Super Music Friends Show with the gang.
- On October 25, 2016, when this show was pulled from Nick Jr.'s lineup, this was the last episode to be broadcasted.
- Sofie Landsman's birthday was celebrated in this episode.
- Leslie Hall, Biz Markie, and Erykah Badu are absent.
- The band's name of the Super Music Friends Show, Black Kids, sounds too inappropriate which is why they were called Dance Kids instead.