T.J. Henderson (Tahj Mowry) is a high school sophmore. He isn't just a regular one though. He is a ten-year old tenth grader! After being promoted to high school, T.J. deals with the usual problems of fitting in as a genius, while being a little kid in a big school. He can figure anything out, and homeworks a sinch. Well, one thing he can't figure out is what's wrong with his brother? Marcus (Jason Weaver) is in the same grade as T.J., which only embarrasses him. Especially since T.J. always rubs in his genius factor. Marcus also deals with problems, such as finding a steady date, and doing homework ... make that getting T.J. to do his homework. There's also Marcus' goofy friend Mo. Mo (Omar Gooding, "Hangin' With Mr. Cooper", "Zoe") always seems to be annoying T.J.'s dad Floyd (John Marshall Jones, "John Doe"), with his goofy, and pointless ideas. Floyd himself deals with troubles. He owns his own business, always putting in hard work in at work, as well as at home! After his wife di
When Floyd tells the kids to get a job, Yvette heads for a clothing store at the mall, while T.J. and Marcus set up a ""Homework Hotline,"" but they all encounter problems they hadn't imagined.
TJ becomes the new assistant to Coach Gerber when the math teacher finally quits. Meanwhile Yvette meets a guy named Calvin who she finds attractive who turns out to be in middle school.
T.J. ghostwrites love letters for Marcus to Nina, the new girl in their literature class - and winds up having to ghostwrite love letters for Nina to Marcus, and vice versa.
Floyd, T.J. and Marcus build Yvette her own private bathroom, but she is less than thrilled. Meanwhile, T.J. and Mo must work out a family budget for their Life Science class.
T.J. lands a gig as a dancer in a music video by Destiny's Child and gets an offer to tour with them for a year, but his dad isn't so sure about the idea.
T.J. earns a spot on the game show Knowledge College in the hope that his winnings will help defray household expenses, but the pressure may be too much.
Yvette and Mo hatch a plan to eliminate the competition in a radio station Volkswagen Beetle giveaway to the person who can stay inside it the longest. While they're in the vehicle, Marcus tries to take advantage of having the house to himself, but T.J. foils him.
Mo gets the shock of his life when his parents tell him he's adopted, so he immediately enlists T.J. in his search for his birth parents.
T.J.'s classroom behavior irritates a teacher who feels it's preventing the other students from learning. Meanwhile, Mo and Marcus try to meet girls in a female self-defense class.
When Mo's parents leave for a second honeymoon, he stays with the Hendersons, but it drives a wedge between T.J. and Marcus. Meanwhile, Floyd objects to Yvette dating a college guy.
Two twin sisters move to the school. Marcus gets a date with the pretty cheerleader, but unknowingly mistakes her for her smart twin later. As he realizes how much he likes them both, Marcus sets up a plan to date them both. The cheerleader will date Marcus, while the intelligent one will date ... Marquis.
T.J. hooks up his dad with a date from a computer dating service, but is uncomfortable when their relationship heats up.
T.J. falls for a girl at the arcade but falls short in the style department, so he tries a new look -- one his dad does not approve.
T.J. skips grades and enters high school at age 10.
Watch Now:AmazonTo 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.
In the opener, T.J. has trouble learning the ropes outside the classroom and pays the price for breaking ""The Code,"" which states you never rat on a friend. The friend in question is Mo, a star player on the school's basketball team. When T.J. tattles on Mo for smoking in the boys room, Mo is suspended from the team and misses an important game. Ostracized and unhappy, T.J. hatches a misguided plot to make amends by sabotaging the rival team's report cards.
Floyd refuses to believe T.J. drank beer at a party with his pals.
T.J. tries to run for student-council president, but decides Marcus would be a better choice -- and someone he could control behind the scenes.
T.J. thinks his dad's business would benefit from a TV commercial, but when the station airs it at 3:00am, T.J. sneaks in and repositions it - during the Super Bowl.
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.
When Mo and T.J. are teamed up by their biology teacher to observe animal behavior, T.J. decides they'll watch his brother Marcus and sister Yvette.
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. learns a hard lesson about office politics while taking part in a work-study program that lands him in a lofty position at an electronic company. Floyd lays down the law when he feels that T.J. is spending too much time at work and not enough time with the family.
T.J.'s IQ takes a dive after he's accidentally hit on the head by a wood plank, allowing him to act more his age.
T.J. is thrilled when he talks Brandi into joining the basketball team - until she replaces him as starting point guard, and he's relegated to the bench.
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