Mr. Sparkles Loses His Sparkle.Cass teaches Mochi to slow clap which quickly goes viral upsetting game show host Mr. Sparkles who quickly begins losing his audience. Meanwhile, Hiro tries to invent a new system for Big Hero 6 that will deliver their suits by air, but his ideas seem to fail with Wasabi diagnosing that he has "inventor's block". Mr. Sparkles kidnaps Mochi and puts him in a new and deadly version of his game show stating that if anyone can beat it within the hour, Mochi will go free. Baymax protects Cass while Hiro tries to invent a new device and the rest of the team confront Mr. Sparkles...