It’s the first day of camp in this outrageous prequel to the hilarious 2001 cult classic movie. And at Camp Firewood, anything can happen.

A decade after their wild summer as junior counselors, the gang reunites for a weekend of bonding, hanky-panky and hair-raising adventures.

An overenthusiastic high-school maintenance man attempts to lead an unlikely group of misfits to the Nebraska state tennis championship in Balls Out: The Gary Houseman Story? director Danny Leiner’s underdog…