In this Bubble Guppies parody of James Bond, Secret Agent Nonny, who stays cool under pressure, a man of few words, and one of the world's top secret agents in children's television history, is sent on a mission to the other agents to deliver their messages, unknown about his surprise birthday party at Dr. Bigmouth Bass' island.

When Mr. Grumpfish turns up in Happy Junction, he makes everyone in town really grumpy, including Sheriff Molly, who must find a way to help everyone handle their tricky emotions.