The Cuckoo Clock of Doom

The Cuckoo Clock of Doom is the name of the 3rd episode of Goosebumps. It aired November 3, 1995.

Plot
Michael vandalizes his dad's new cuckoo clock in order for his bratty little sister, Tari, to get in trouble for it. But it ends up making him younger, and younger, to the point Tari doesn't exist.

Trivia

 * This episode failed to get on a DVD or VHS.