Pump Up the Volume

Christian Slater stars in this 1990s comedy drama written and directed by Allan Moyle.

Shy teenager Mark Hunter (Slater) becomes a self-appointed agony aunt and influential guru to his high school classmates when he sets up his own pirate radio station, operating anonymously as Hard Harry.

The station is an immediate hit, but Mark finds himself under threat from the authorities after he exposes the corrupt school principal on air.