Wicked Cool Grojband-a-thon

The Wicked Cool Grojban-a-thon was a special 12-hour (8:00 AM to 8:00 PM) marathon of Grojband that aired on UltraToons Network on March 31, 2014. The marathon featured the episodes of Grojband, as well as the 13 new episodes of the show (that not aired on Cartoon Network, but they used online).