Broad satire and buffoonery presented as a series of movie trailers. Among the titles and subjects are: "The Howard Huge Story", "Skate-boarders from Hell", "The Invasion of the Penis Snatchers", Woody Allen (pre-Mia), movie trailer come-ons, Charlie Chaplin, war movies, Billy Jack. The source of the title is presented about an hour into the film.

Trish and her six-year-old niece, Patsy, make their living by picking pockets. But when they try to take advantage of holiday shoppers with fat wallets, they run into a little snag - a department store security guard named Bert catches them in the act. The store owner wants them arrested, but decides to wait until Christmas is over. To ensure they don't make a run for it, he entrusts their care to Bert. With jail on the horizon, Trish and Patsy are scared for their future. But as the holiday nears its end, it looks as though a budding romance might just save them after all.

Reclusive Rubin Farr teams up with vocal but unsuccessful multi-level salesman Ed Tuttle on a quest to bury Rubin's dead cat in the "perfect spot." Their trip takes them across Utah's desert where they have run-ins with Ed's ex-wife Rula and an elusive Andy Warhol critic.

A rock concert awakens the legendary monster, who goes on a rampage. The event's organizer plans to kill the beast and create a tourist attraction around its stuffed body, but an environmentalist realizes the creature is the last of its species, and is determined to make sure it does not become extinct.

Reynolds plays an ex-soldier-of-fortunish character in Vegas, taking "Chaperone" jobs, fighting with the mob, and trying to get enough money together to move to Venice, Italy.

When a Cincinnati radio station switches from sedate music to top-40 rock 'n' roll, its staff of oddball characters is forced to switch gears quickly. New programming director Andy Travis brings in a new DJ named Venus Flytrap to work with the station's burned-out veteran, Dr. Johnny Fever. Neurotic newsman Les Nessman, eager beaver Bailey Quarters, sleazy salesman Herb Tarlek, blonde bombshell Jennifer Marlowe, who serves as the station's ultra-capable receptionist, and station manager Arthur Carlson, whose domineering mother owns WKRP, round out the eccentric bunch.

The misadventures of a divorced mother, two teenage daughters, and new building superintendent in Indianapolis.

Aspiring filmmakers Mel Funn, Marty Eggs and Dom Bell go to a financially troubled studio with an idea for a silent movie. In an effort to make the movie more marketable, they attempt to recruit a number of big name stars to appear, while the studio's creditors attempt to thwart them.

Pamela Smart knows exactly what she wants and is willing to do anything to get it. She is fed up with teaching, and her marriage offers little excitement. Looking for a way out she applies for a job at a local TV station. When her dreams of fame are dashed by rejection, she seduces 15-year-old Billy, one of her students. Pam challenges Billy to prove his love for her by getting rid of her husband. The stakes heat up with a huge insurance policy on her husband's life.

After a friend overdoses, Spoon and Stretch decide to kick their drug habits and attempt to enroll in a government detox program. Their efforts are hampered by seemingly endless red tape, as they are shuffled from one office to another while being chased by drug dealers and the police.

"This Is Spinal Tap" shines a light on the self-contained universe of a metal band struggling to get back on the charts, including everything from its complicated history of ups and downs, gold albums, name changes and undersold concert dates, along with the full host of requisite groupies, promoters, hangers-on and historians, sessions, release events and those special behind-the-scenes moments that keep it all real.