Chuckie tries to give a Valentine to his dad.

At the Finsters, Stu builds a treehouse for Chuckie, Kimi, and the other Rugrats to play in. After Kimi took Cynthia from Angelica (without asking, of course) to play in her treehouse, the Rugrats imagine Angelica as if she was a monster from the jungle, a la ""King Kong"".

Rugrats play ""Follow The Leader"", with Dil being the leader. When Dil sucks his thumb (mimicking Stu when he sucks his own thumb after hitting his hammer on it), the Rugrats do the same, but fail to stop. When the adults noticed this, they panicked after reading in a Lipschitz book that thumb-sucking leads to poor academic skills and bucked teeth. Angelica uses this advice to get Chuckie to believe that they'll turn into ducks, when they get ""duck