Cheech and Chong Movies: Essential Films
The essential Cheech & Chong experience features their first three films, which represent the golden era of the duo's stoner comedy. These are the films that defined their brand and cemented their status as comedy legends.
Up in Smoke is the undisputed classic and starting point for anyone new to the duo. Cheech & Chong's Next Movie and Nice Dreams maintain the quality and improvisational energy of the original. After these three films, the series saw diminishing returns in both quality and box office performance, making this trio of movies the essential viewing for understanding why Cheech & Chong became cultural icons.
There is 1 other watch list available - see the link up above.
List not ranked (sorted by Release Date)

Up in Smoke
Two marijuana-smoking slackers embark on a series of misadventures after meeting on the road, eventually forming a band and competing in a rock contest.

Cheech & Chong's Next Movie
Comedy duo Cheech and Chong navigate through Los Angeles causing mischief as they search for new ways to make money after Cheech loses his job. Things become even more chaotic when Cheech's wild cousin Red arrives on the scene.

Nice Dreams
Cheech and Chong sell their "specially mixed" ice cream to fund their dreams of guitars, tropical islands, and romance. Their newfound wealth leads to complications when Cheech reunites with an old love whose dangerous ex-boyfriend is headed their way, while Chong accidentally loses all their money.
Other Film Series
3 Ninjas
Family-friendly martial arts comedy series following three young brothers trained in ninjutsu by their grandfather as they use their skills in various summer adventures.
Deathstalker
A cult sword-and-sorcery film series from the 1980s, known for its campy B-movie charm and anthology-style storytelling with different actors portraying the titular barbarian warrior.
Ghostbusters
A supernatural comedy franchise about paranormal investigators who capture ghosts in New York City, spanning multiple decades and timelines.
Johnny English
A comedy spy trilogy starring Rowan Atkinson as the bumbling MI7 agent Johnny English, parodying the James Bond franchise with slapstick humor and satirical espionage adventures.
Once Upon a Time in China
A martial arts film series following the legendary Chinese folk hero Wong Fei-hung and his adventures in late 19th century China.
Teenage Mutant Ninja Turtles
The heroes in a half-shell across multiple continuities, from live-action classics to modern reboots.