Encino Man

Encino Man known as California Man in Europe is a 1992 comedy film directed by Les Mayfield and starring Brendan Fraser, Sean Astin, and Pauly Shore. The plot revolves around two geeky teenagers from Encino, Los Angeles, California, played by Astin and Shore, who discover a caveman in Astins backyard frozen in a block of ice. The caveman, played by Fraser has to learn to live in the 20th century. Along the way, he teaches them about life. It was followed by a TV movie spinoff, Encino Woman, in 1996.

This segues into a presentday Los Angeles earthquake that awakens average teenager Dave Morgan Sean Astin. He, along with his best friend Stoney Pauly Shore, strives to attain popularity in high school but comes off more as a reject and an outcast. Dave is in love with Robyn Sweeney Megan Ward, a sweet and attractive girl who has been his best friend since grade school, and until she reached babehood had been rejected by Dave on several occasions. Her boyfriend Matt Wilson Michael DeLuise is a dimwitted jock and school bully who is constantly responsible for making both Dave and Stoney the objects of ridicule by embarrassing them in various ways, usually directly due to Daves growing affections toward Robyn.One day, as Dave is digging a pool in his back yard, he comes across a chunk of ice that has the body of a man in it following an earthquake. They leave the ice block unattended in the garage and space heaters left on cause the ice to melt, releasing the caveman from the opening of the film. The caveman falls head first into the 20th century, discovering a garbage truck which he misinterprets as a mammoth from his time, and television which he discovers upon entering Daves house. When the boys return home, they find hand paint covering the walls and the house is in disarray. Investigating a beeping smoke alarm, they discover the caveman in Daves bedroom, attempting to start a fire Indianstyle by rotating a stick in the center of a pile of kindling. At first, the caveman panics at the sight of them, but then Stoney quickly calms him by using the flame of a lighter to mesmerize him after he panics from the phone ringing. After bathing him and trimming him to look like an average teenager, Dave names him Link as in the missing link. ........

Source: Wikipedia