Here are some of his most famous works:
Movies:
* The Princess Diaries (2001): A charming family comedy about a shy teenager who discovers she's a princess.
* Pretty Woman (1990): A romantic comedy starring Julia Roberts and Richard Gere about a prostitute and a businessman who fall in love.
* The Princess Bride (1987): A classic fantasy adventure film about a beautiful princess who is kidnapped by an evil prince.
* Overboard (1987): A comedy about a wealthy woman who pretends to have amnesia after falling overboard and is cared for by a carpenter.
* The Flamingo Kid (1984): A coming-of-age story about a teenager who works at a Long Island beach club.
* Young Doctors in Love (1982): A comedy about a group of young doctors who are trying to make it in the medical field.
* Happy Days (1978): A nostalgic coming-of-age film about a group of teenagers in the 1950s.
* A League of Their Own (1992): A sports comedy about a women's baseball team during World War II.
* Runaway Bride (1999): A romantic comedy starring Julia Roberts and Richard Gere about a woman who keeps running away from her weddings.
* Valentine's Day (2010): A romantic comedy ensemble film that follows the lives of several couples on Valentine's Day.
* New Year's Eve (2011): Another romantic comedy ensemble film that follows the lives of several couples on New Year's Eve.
Television Shows:
* Happy Days (1974-1984): A classic sitcom about a group of teenagers in the 1950s.
* Laverne & Shirley (1976-1983): A spin-off of Happy Days about two working-class women in Milwaukee.
* Mork & Mindy (1978-1982): A sitcom about an alien who comes to Earth and lives with a human woman.
* The Odd Couple (1970-1975): A sitcom about two divorced men who become roommates.
* The Paul Lynde Show (1972-1973): A variety show hosted by comedian Paul Lynde.
This is just a small sample of Gary Marshall's impressive filmography. He was a prolific and influential figure in the entertainment industry, leaving behind a legacy of heartwarming and humorous films and television shows that continue to be enjoyed by audiences of all ages.