Danny and Manny plan to launch a huge balloon made of a sentence capable of fooling people into staying clear of The Electric Company. With the help of two other friends, Marcus opts to stop the pranksters and save their reputation.
Hector and the Company are ready to play a competition against the pranksters, except complications arise when Hector injures his leg. When Manny does the same, it's up to the Company to run up their score and win.
After Marcus buys a new toy from Francine and it doesn't work, Hector, Jessica, and Keith set out to help Marcus demand a refund, with proof that the advertisement for the toy was false.
Manny accidentally uses his machine to shrink Marcus and Jessica, and the two latter attempt to call the Diner for help. They need to use a code to reverse the process and return Marcus and Jessica to normal.
Marcus is going to play as a contestant on a game show, but there's one catch: Francine's the host and Manny is his competitor. It's up to the Company to help Marcus win.
Francine opts to collaborate with the Company to make six hundred cookies by five o'clock in order to prove she's worthy of being on a TV show run by a famous rich man.