Season 4 is the 4th and the last season of Yo Gabba Gabba. It air on December 18. 2011 to November 12, 2015. It have a new theme song Episodes are A Very Awesome Christmas 2011, Olympics, Gooble (Episode) 2012, Super Spies, Farm, DJ Lance"s Super Music & Toy Room 2013, Shopping, Dinosaurs, Day Camp, Restaurant, Show, Mermaids, Quest 2015 are the episodes for Season 4. Back Season 3