TJ's old friend Brandi is back, playing on his basketball team...much to TJ's dismay. Also, Mo is attracted to an older woman. He gets himself into a bit of trouble being presumptuous about her intentions.
Marcus tries to get everyone out of the house so he can be alone with a girl rumored to be easy, but has to pick up TJ from a sleepover when he gets sick on the big night.
TJ is accepted into MENSA, where Floyd meets the attractive single mother of another member. Unfortunately, she has an insufferable, arrogant son who makes the rest of the Hendersons' lives hell. Meanwhile, Marcus and Mo open a small hair cutting salon for a school assignment.
Floyd sends T.J. to Geology camp which forces Yvette and Marcus to get part-time jobs in order to have spending money. Both encounter very different difficulties at their new vocations.
Marcus and his girlfriend, Dana, break up, prompting her to ask Mo to intervene. Meanwhile, T.J. faces gym class - and the locker room for the first time.
While Marcus uses T.J.'s computer to read a girls diary in order to find out what kind of guy she likes, Floyd and Mo start barbecuing together, but their pastime soon gets the better of them.
A dejected Yvette decides she needs a breast augmentation after she is passed over for a plum stage role. T.J. is harassed by bullies who make fun of his ears.
Marucs gets bought at school auction just to show to Cordell that money can't buy friends and love. Meanwhile, Mo gets lecturing for disrespectful behaviour.
Yvette is graduating from high school but isn't sure if she wants to go to the ceremony. T.J, Marcus and Mo come up with a prank to unleash at the graduation ceremony after the senior class pranked them!
