21 Jump Street is the headquarters for a squad of police officers who specialize in investigations relating to young people. Each of the Jump St. personnel was selected for their ability to pass for high school or college students, allowing them to operate undercover in areas where it is difficult for regular police officers to blend in unnoticed.

Eva Dandridge is a very uptight young woman who constantly meddles in the affairs of her sisters and their husbands. Her in-laws, who are tired of Eva interfering in their lives, decide to set her up with someone so she can leave them alone. They end up paying Ray, the local "playboy," $5,000 to date her. The plan goes by smoothly, but troubles comes when Ray actually falls in love with Eva.

What appears to be a random kidnapping becomes something more sinister when Secret Service Agent Jeremy Reins discovers he's being used as a pawn in a terrorist plot. Watching the clock tick down to an unknown catastrophe, Jeremy is forced by his captors to listen to the outside world on the brink of collapse, knowing that the only way to save the people he loves is to divulge a secret that he has sworn to protect.

Kate is a shark expert whose business has been failing since a shark attack killed a fellow diver under her command. Once dubbed "the shark whisperer," Kate is haunted by the memory of the attack and unable to get back into the water. With bills piling up and the bank about to foreclose on Kate's boat, Kate's ex-boyfriend Jeff presents her with a lucrative opportunity to lead a thrill-seeking millionaire businessman on a dangerous shark dive - outside the cage. Battling her self-doubts and fear, Kate accepts the proposal and sets a course for the world's deadliest feeding ground - Shark Alley.

When zany mad scientist Dr. Clayton Forrester and his loopy assistant Frank get bored with their work at the Deep Thirteen research center, they kidnap Joel the janitor and shoot him into orbit on the Satellite of Love. While in space Joel builds wacky robot sidekicks Tom Servo and Crow T. Robot to help him withstand an onslaught of grade 'Z' movies that the mad scientists force him to watch.

Haunted by bizarre dreams about goth rocker Trey Sylvania (Drew Seeley), with a growing lust for blood, Dylan (Lucas Grabeel) is not your average teenager-he's transforming into a vampire! It all started when he was bitten by a voracious fanged exchange student, and it's a process he is desperate to stop-but how? His demented dentist can't do anything about Dylan's aching teeth and emerging fangs, and the anti-bloodsucking pills he gets from his para-psychologist just give him a rash. Dylan is terrified and he doesn't know what to do-especially about his beautiful girlfriend Sara (Adrian Slade). Every time Dylan gets close to Sara his fangs pop out and he gets an overwhelming urge to bite her. He isn't sure how much longer he can stop himself, so he's been avoiding her and she has no idea why. Confused and hurt, Sara sings about her frustration. Dylan knows he's got to explain himself, and vocalizes his torment.