In summer 1973, Michael Jordan practices basketball at night while his father steps out and tells him it is past midnight, but lets him make a few more shots. Jordan then shoots while making several wishes about going to the University of North Carolina by playing on a championship team, joining the NBA, going on to play basketball and successfully making every shot. Impressed, Jordan's father jokingly asks if next he is going to wish he could fly to which Jordan turns to make one final shot. Years later in 1993, Jordan announces his retirement from professional basketball to follow his now-deceased father's career as a baseball player, but is not as skilled in baseball as he was in basketball, which results in a publicist and an assistant named Stan Podolak to be assigned in order to make his new career less bumpy. Elsewhere in outer space, an intergalactic amusement park called Moron Mountain faces declining popularity, so its owner, Mr. Swackhammer, sends his diminutive minions, the Nerdlucks, to capture the Looney Tunes as new entertainment. Upon arriving the animated world hidden in the center of Earth where the Looney Tunes live in, Looney Tunes Land, the Nerdlucks threaten to capture the Looney Tunes but they ignore the Nerdlucks' threats and, taking advantage of the Nerdlucks' tiny size, challenge them to a game of basketball for their freedom. To overcome their height disadvantage, the Nerdlucks steal the talents of five professional basketball players: Charles Barkley, Shawn Bradley, Patrick Ewing, Larry Johnson and Muggsy Bogues, making them incapable of playing. The Nerdlucks absorb the talent and transform into the gigantic "Monstars", who easily intimidate and terrorize the Looney Tunes. While playing golf with Bill Murray, Larry Bird and Stan, Jordan is sucked down a golf hole and is recruited by Bugs Bunny to help the Looney Tunes win against the Monstars. Jordan initially refuses by saying he does not play basketball anymore, but changes his mind after being insulted and humiliated by the Monstars when they squash him into the shape of a basketball and bounce him around like one. He then sends Bugs and Daffy Duck to his house to retrieve his basketball gear. Meanwhile, Stan has been digging out the golf hole to find Jordan, but spots Bugs and Daffy leaping down another one and pursues them, reuniting with Jordan in the Tunes' world and joining their team, the Tune Squad. Another new recruit is Lola Bunny, a skilled basketball player whom Bugs is instantly smitten with. Meanwhile, back on Earth, the sudden incapacity of five NBA players is assumed to be a virus or disease, and causes a worldwide panic that eventually results in the NBA season being ended early for the safety of all other players. The five players themselves try fruitlessly to determine the cause of their sudden loss of skill, including hospitalization, therapy and prayer, none of which shows anything. On the day of the match, the Monstars dominate the first half, leaving the Looney Tunes unconfident. Stan overhears a conversation between the Monstars and Swackhammer, learning of how they gained their talent and informs Jordan and the Tune Squad. Bugs and Jordan convince the rest of the Tune Squad to fight back and as a result the first quarter of the second half allows the Tunes to dominate using old school gags and Acme weaponry. During a timeout, Jordan raises the stakes of the game with Swackhammer: a win by the Tune Squad would require the Monstars to give their stolen talents back to the NBA players while a win by the Monstars would get Jordan as a new attraction. To ensure his victory, Swackhammer cheats by having the Monstars play rough and injure all of the Tune Squad until only Jordan, Bugs, Daffy, Lola and Stan remain. Stan becomes the fifth player and manages to score, but is literally flattened by the Monstars and is removed from the court. The referee, Marvin the Martian, informs Jordan that unless the team gets a fifth player, they will have to forfeit the game at which point Murray arrives and volunteers to be the team's fifth member. In the final seconds of the game, Jordan gains the ball and manages to use cartoon physics to extend his arm and score the winning points. Murray then retires from basketball and the Monstars blast Swackhammer to the Moon in a rocket when Jordan makes them realize that, since they are no longer smaller than him, they do not have to take his abuse anymore. Jordan convinces them to give up the stolen talents while the Looney Tunes agree to recruit the reformed Nerdlucks in their ensemble. Jordan and a recovered Stan return to Earth with the Nerdlucks dropping them off at Jordan's next baseball game. Later, the two visit the incapacitated basketball players and return their talent. The players invite Jordan to a three-on-three match; Jordan initially refuses, but changes his mind when the other players question his loss of talent. The film ends with Jordan coming out of retirement and returning to the Chicago Bulls to resume his basketball career.