Happy is the sixth episode of Yo Gabba Gabba from the first season.
In the second scene, Plex explains to Brobee what a hug is.
Then comes the Super Music Show featuring the Salteens and Gooble.performing an song about happiness.
In the third scene, Foofa sings a song about being happy.
In the dancing clip it features the songs 'Make New Friends", "The Hug Song" and "I'm So Happy I Can Dance". Super Martian Robot Girl Where's My Mana