Gutterballs is a 2008 Canadian horror comedy film written and directed by Ryan Nicholson. The plot is centered around two rival teams at a bowling alley, Xcalibur Bowling Centre, spending a night after-hours to play against one another. Following a planned sadistic rape against one of the teams members, everybody on both teams begins to get brutally killed one by one by an unknown killer the following night.

Plot

On January 1, 2008, at the Xcalibur Bowling Centre, a disco-themed bowling alley in Surrey, British Columbia, Egerton, the janitor, has allowed two groups of teenagers to bowl against one another after hours. After Steve and his friends Joey, Patrick, and A.J. harass Sam, a transgender woman, they are chastised by Jamie. A brawl then ensues between Steve's team and Jamie's. Lisa breaks up the fight by dropping a bowling ball on Steve's foot. Egerton tells the teenagers to leave and they can continue their tournament the following night.