A scheming couple put a struggling family man and his old friend through a series of increasingly twisted dares over the course of an evening at a local bar.

In the distant future, a small waste-collecting robot inadvertently embarks on a space journey that will ultimately decide the fate of mankind.

After being mistaken for terrorists and thrown into Guantánamo Bay, stoners Harold and Kumar escape and return to the U.S., where they proceed to flee across the country with federal agents in hot pursuit.