Night of the Tibble

Night of the Tibble is the first half of the 4th episode of season 16. It premiered on October 19, 2012 along with "Read and Flumberghast."

Summary
The Tibble Twins are having their first sleepover! The lucky victim...err, guest: James. Will the Tibbles lock him in the dark basement? Strap him to the terrifying Flatter Fling? Serve him cupcakes and cookies for dinner?!?

Trivia

 * The episode's title is a reference to George Romero's Night of the Living Dead.