"Yo Gabba Gabba!" has a playful tone ... There is also Plex (Christian Jacobs), a robot often hailed as the leader of Gabba ...

and Plex the robot are ready to sing, play and teach whenever you're ready. Just say the magic words! YO GABBA GABBA!!

Yo Gabba Gabba Lets Visit the Doctor delivers a dose of episodes to help preschoolers deal with the all too common sniffles When Todee becomes sick the Doctor gives her a checkup and her Gabbaland ...

Just ask Sesame Street or even Schoolhouse Rock! Still, no kiddie series ever mixed the two quite as well as Yo Gabba Gabba! It makes sense, too: The preschool show, which ran on Nickelodeon from ...