To discourage a tireless suitor, Yvette agrees to T.J.'s plan and pretends to be Mo's girlfriend. Meanwhile, Floyd aims to teach Marcus a life lesson he won't soon forget.

TJ's skill in chess gives him the chance to play against a computer, Socrates, that's supposed to be unbeatable in chess. Marcus plans to win big on money bets.

T.J. qualifies as an intern at the Primate Intelligence Research Project. Meanwhile, Marcus and Mo try to get rich selling "nutritional, energy supplement" candy bars.

Tales of Floyd's Uncle Mert, a 1960s activist, inspire T.J. to protest a change in the school's lunch policy.

Floyd starts having doubts when T.J. bonds with a new astronomy teacher, making him question his importance in T.J.'s life. Meanwhile, Marcus and Mo find another student exploiting their personal style by photographing them for a fashion magazine against their wishes.

When Floyd has to go out of town on business, Marcus tries to step in as the man of the house. T.J. poses some unexpected problems when he decides to court popularity by throwing a party for his classmates.