Drake and Josh receive an old dune buggy from a friend but are forbidden to use it. When Drake defies his parents and injures himself after crashing the buggy, he tries to hide his injuries, but gets no support from a grounded Josh.

After meeting Susan, Drake's new girlfriend, Josh becomes convinced that her flirtation is more than friendly behaviour.

When Mr Nichols's boss calls off their dinner plans because of a last minute babysitter cancellation, Josh volunteers his and Drake's services.

After Drake agrees to help Josh with his girl troubles, Josh finds himself promising to play a birthday song at his crush's party.

When the parents leave town for the weekend, Drake and Josh's excitement is short lived when they learn that Grammy is coming to stay.

Drake bets that he can last longer without junk food than Josh can without video games. Each of them get more and more desperate, but only one can be the winner.