"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!!

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

The children's television series Yo Gabba Gabba! is getting revived with a new host. After a four-season run on Nickelodeon, ...