Beach Party in order

American International Pictures produced a series of seven beach films, starting with Beach Party. The 1965 AIP film Ski Party (with Dwayne Hickman, Yvonne Craig, Lesley Gore and James Brown) is also notable for employing many of the same actors and schticks, only transplanted to a ski resort in the Sawtooth National Forest. 7 films, 10h 54m in all, in release order.

1. 1
   

   Beach Party

   1963 · 101 min

   Anthropology Professor Robert Orwell Sutwell and his secretary Marianne are studying the sex habits of teenagers. The surfing teens led by Frankie and Dee Dee don't have much sex but they sing, battle the motorcycle rats and mice led by Eric Von Zipper and dance to Dick Dale and the Del Tones.

   Popcorn Flick
2. 2
   

   Muscle Beach Party

   1964 · 94 min

   Local beach-goers find that their beach has been taken over by a businessman training a stable of body builders.

   New
3. 3
   

   Bikini Beach

   1964 · 99 min

   A millionaire sets out to prove his theory that his pet chimpanzee is as intelligent as the teenagers who hang out on the local beach, where he is intending to build a retirement home.

   New
4. 4
   

   Pajama Party

   1964 · 87 min

   A Martian teenager sent to prepare for an invasion falls in love with an Earth girl.

   New
5. 5
   

   Beach Blanket Bingo

   1965 · 98 min

   In the fourth of the highly successful Frankie and Annette beach party movies, a motorcycle gang led by Eric Von Zipper kidnaps singing star Sugar Kane managed by Bullets, who hires sky-diving surfers Steve and Bonnie from Big Drop for a publicity stunt. With the usual gang of kids and a mermaid named Lorelei.

   New
6. 6
   

   How to Stuff a Wild Bikini

   1965 · 93 min

   When he's stationed in Tahiti, a sailor hires a witch doctor to keep an eye on his girlfriend.

   New
7. 7
   

   The Ghost in the Invisible Bikini

   1966 · 82 min

   A corpse has 24 hours to mastermind a good deed without leaving his crypt, to go "up there" and have his youth restored.

   New