All the films in the following list are PG-13, PG, or older and unrated, and I went light on sexual themes in the PG-13 part (except for Austin Powers, because... it's Austin Powers). This is just me quickly going through my own movie collection.
PG-13:
- Arachnophobia (1990)
- Austin Powers: International Man of Mystery (1997)
- Big Trouble in Little China (1986)
- Cabin Boy (1994)
- Dungeons & Dragons: Honor Among Thieves (2023)
- Ferris Bueller's Day Off (1986)
- Gremlins (1984)
- Gremlins 2: The New Batch (1990)
- Hunt for the Wilderpeople (2016)
- Kung Pow: Enter the Fist (2002)
- Life is Beautiful (1997)
- Little Shop of Horrors (1986) Director's Cut, if you can
- Lord of the Rings Trilogy (2001-2003)
- The Mummy (1999)
- The Mummy Returns (2001)
- O Brother, Where Art Thou? (2000)
- Pirates of the Carribean (2006)
- Princess Mononoke (1997)
- Raising Arizona (1987)
- Sneakers (1992)
- UHF (1989)
- Weird: The Al Yankovic Story (2022)
PG:
- *batteries not included (1987)
- The Adventures of Baron Munchausen (1988)
- Back to the Future trilogy (1985-1990)
- Bill & Ted's Excellent Adventure (1989)
- Bill & Ted's Bogus Journey (1991)
- The Dark Crystal (1982)
- Dreams by Akira Kurosawa (1990)
- Flow (2024)
- Ghostbusters (1984)
- Ghostbusters II (1985)
- The Goonies (1985)
- Howl's Moving Castle (2004)
- The Hudsucker Proxy (1994)
- Jewel of the Nile (1985)
- Napoleon Dynamite (2004)
- Nausicaä of the Valley of the Wind (1984)
- Porco Rosso (1992)
- The Princess Bride (1987)
- The Producers (1967)
- Indiana Jones original trilogy (1981-1989)
- Real Genius (1985)
- Shaolin Soccer (2001)
- Spaceballs (1987)
- Strange Brew (1983)
- Three Amigos! (1986)
- Time Bandits (1981)
- Twins (1988)
- Uncle Buck (1989)
- War Games (1983)
- The Wizard (1989)
- Wizards (1977)
- Young Frankenstein (1974)
Unrated:
- The Great Escape (1963)
- Hundreds of Beavers (2024)
- Kind Hearts and Coronets (1949)
- Nova Seed (2016)
- Rashomon (1950)
- Seven Samurai (1954)
- Stalker (1979)
Also, special mention to Planes, Trains, and Automobiles (1987) which would be otherwise PG except for the scene where Steve Martin says "fuck" 18 times, which alone earned it it's R rating.