Two surfers end up as Yellowstone park rangers and have to stop a former ranger who is out for revenge.

From an ominous Lecturer, a small 1930s middle American community learns of the Harper Affair, in which young Jimmy Harper finds his life of promise turn into a life of debauchery and murder thanks to the new drug menace marijuana. Along the way, he receives help from his girlfriend Mary and Jesus Himself, but always finds himself in the arms of the Reefer Man and the rest of the denizens of the Reefer Den.

Two high school girls wander off during a class trip to the White House and meet President Richard Nixon. They become the official dog walkers for Nixon's dog Checkers, and become his secret advisors during the Watergate scandal.

Security guard Paul Blart is headed to Las Vegas to attend a Security Guard Expo with his teenage daughter Maya before she departs for college. While at the convention, he inadvertently discovers a heist - and it's up to Blart to apprehend the criminals.