Dirty Harry Callahan returns again, this time saddled with a rookie female partner. Together, they must stop a terrorist group consisting of angry Vietnam veterans.

The eccentric new manager of a UHF television channel tries to save the station from financial ruin with an odd array of programming.

The Lightning Bug has a multi-prong scheme to enslave the earth. First, rock and roll, which the JMen counter with Muzac, then marijuana. Finally, the JMen build a bomb to blow up the moon with, but the Bug beats them to it by self destructing the moon by playing his rock and roll too loud.

Ben Tucker wants to be a comic book artist, His father wants the young teenage to be a jock. Even his friends put him down. One late night a space ship crashes into the sea and Ben comes to the aid of an injured man on the beach. His unselfish concern for the dying stranger puts him in the position to obtain the magic “Circlet of Power” bracelet.

Drunken, has-been rock star John Norman Howard falls in love with unknown singer Esther Hoffman after seeing her perform at a club. He lets her sing a few songs at one of his shows and she becomes the talk of the music industry. Esther's star begins to rise, while John's continues to fall. She tries desperately to get John to sober up and focus on his music, but it may be too late to save him.

A young woman collapses on the disco dance floor of what's revealed to be strychnine poisoning. Assuming that this is an attempt at suicide, her boyfriend and doctor have her committed to the Fifth Floor, an asylum with obviously crazy inmates and a predatory orderly. The problem is, she's still sane!

Teen lovers Bobby and Terry band together with other roller skaters to try and prevent a powerful mobster taking over the land their favourite skating rink sits on, and compete in the Boogie Contest.

M. Harry Smilac is a down-on-his-luck music manager who is having a hard time attracting talent and booking gigs for his band, Kicks (The most recent of the gigs is a Dairy Queen opening!!). When making arrangements for a campaign fund-raiser, he mistakes Rick Roberts, a professional wrestler, for a musician and hires him. At that moment he becomes a wrestling manager and starts to book matches for him and his teammate Tonga Tom. The team is a success, and Harry decides to take his wrestlers and his band on a "Rock n' Wrestling" tour. The tour is a success, and Harry feels what it is like to be a winner again.

A young film student tries to sell his weird movie to a desperate film producer who is in need of a tax write-off. The producer screens the film "Lobster Man From Mars", and what follows is a bizarre sci-fi film-within-a-film: Mars suffers from an air leakage, and send the dreaded Lobster Man to Earth to steal its air. The plot is foiled by a mad scientist, a girl, and an army colonel.

A chronicle of the rise and brief career of rock 'n' roll star Buddy Holly, who aspires to play music the way he wants it to sound. Holly and his band, the Crickets, are first invited to record in Nashville, where they encounter creative differences with the producing staff. Later they play a major booking at the Apollo Theater, scheduled there under the mistaken assumption that they're a black band. Holly's career eventually goes solo -- until the tragic day the music dies.