Bebe's breasts begin to develop, and the boys are at a loss to explain why they are suddenly drawn to her, when they had no interest in her before.
Did You Know?
The boys de-volve and start drawing breast-like circles while uttering the phrase "ah-taht." This is the slang "ta-tas" said backwards. See more
When the boys visit Bebe, Stan knocks on the door. When Stan speaks to Bebe's mother, it's clearly Kyle's voice. See more
Having boobs sucks.
References Planet of the Apes