Over the course of the show’s eight year run, this moment was not always taken as a given; the son, Theo Huxtable, was for years presented as a chronic underachiever, more interested in the typical trappings of teenage boyhood—friends,

Malcolm-Jamal Warner, the Emmy-nominated actor who played Theo Huxtable on 'The Cosby Show,' has died during a family vacation in Costa Rica. He was 54.

The character’s journey into adulthood was at the center of “The Cosby Show.” Here are five memorable episodes from the show’s run.