Having satisfied their urge for White Castle, Harold and Kumar jump on a plane to catch up with Harold's love interest, who's headed for the Netherlands. But the pair must change their plans when Kumar is accused of being a terrorist. Rob Corddry also stars in this wild comedy sequel that follows the hapless stoners' misadventures as they try to avoid being captured by the Department of Homeland Security.

Stefan and Kai run a thriving business: a home-grown cannabis trade disguised as a pizza delivery service. For now they just have to fight aphids.

Jamal and Silas, two ordinary guys who smoke something magical, pass their college entrance exams with flying colors and end up at Harvard. Ivy League ways are strange but Silas and Jamal take it in a stride -- until their supply of supernatural smoke runs dry. That's when they have to start living by their wits and rely on their natural resources to make the grade.

Two stoners wake up after a night of partying and cannot remember where they parked their car.

Three lovable party buds try to bail their friend out of jail. But just when the guys have mastered a plan, everything comes dangerously close to going up in smoke.

All Jessie wanted was to sleep in on her day off, but there’s a whole Hell of a lot going on that’s keeping her from doing that. The only question she keeps having to ask herself is if any of it is even real in the first place.

As 4/20 begins, a dispensary owner launches into a day of haphazard activities he hopes will spark new business and keep his struggling store afloat. His biggest threat is a wide-eyed drug dealer hoping to reclaim the local cannabis business. Meanwhile, a trio of soon-to-be high school graduates try to scheme their way in to buy enough weed to properly toast their long-lasting friendship. And as two potential lovers struggle to align their views on pot, an elderly woman strikes up an odd friendship with a young immigrant with a secret. All the while, an edibles chef strives to impress her disapproving family with her burgeoning food truck. On this glorious holiday, people across life's spectrum will find they have more in common than just a love of herb.

After an evening session of games, smoke and drinks. In the next morning, a group of young friends is getting ready to carnival festivities on the streets of Rio de Janeiro. Moment that Lucas keeps everyone at the apartment, trying to find out the one who stole his lighter.

Jane, a struggling but perpetually stoned actress, has a busy day ahead. She has several important tasks on her list, including buying more marijuana. Even though she already has a good start on the day's planned drug use, she eats her roommate's pot-laced cupcakes and embarks on a series of misadventures all over Los Angeles.

A stoner and his dealer are forced to go on the run from the police after the pothead witnesses a cop commit a murder.

Even though he's 35, Alex acts more like he's 13, spending his days as the world's oldest video game tester and his evenings developing the next big Xbox game. But when he gets kicked out of his apartment, he's forced to move in with his grandmother.

Straight-laced nerd Alistair moves into a college dorm with hardcore marijuana users, who order an old giant bong that proves to have strange magical powers, which sends people to a bizarre drugged-out alternate realm from which there is no easy escape.