According to www.thestinker.com, the top 20 worst movies of 20th century (the last millennium and not Fox) are:
- Battlefield Earth
- Wild Wild West
- Batman & Robin
- Howard The Duck
- Spice World
- Speed 2: Cruise Control
- It's Pat
- Showgirls
- The Blair Witch Project
- Waterworld
- Jaws 4: The Revenge
- The "Look Who's Talking" Sequels
- Grease 2
- The Avengers
- Ace Ventura 2: When Nature Calls
- Stop or My Mom Will Shoot
- Anaconda
- Godzilla (1998)
- Barb Wire
- Ishtar
Yep, I have seen a lot of these :P
Top 100 worst movies
- Ace Ventura: When Nature Calls (1995)
- An Alan Smithee Film-Burn Hollywood Burn (1998)
- Anaconda (1997)
- The Apple (1980)
- Armageddon (1998)
- Arthur 2: On The Rocks (1988)
- Attack of the Killer Tomatoes (1980)
- The Avengers (1998)
- Baby Geniuses (1999)
- The Bad News Bears Go To Japan (1978)
- Barb Wire (1996)
- Batman & Robin (1997)
- Battlefield Earth (2000)
- Best Defense (1984)
- Best of the Best (1989)
- The Beverly Hillbillies (1993)
- The Blair Witch Project (1999)
- Book of Shadows: Blair Witch 2 (2000)
- Boxing Helena (1993)
- Caddyshack II (1988)
- Caligula (1980)
- Can I Do It ...Til I Need Glasses? (1977)
- Can't Stop The Music (1980)
- Car 54, Where Are You? (1994)
- The Care Bears Movie II: A New Generation (1986)
- The Cheech and Chong Films of the 1980's I have seen one of these
- Clambake (1967)
- Cobra (1986)
- The Concorde - Airport '79 (1979)
- Cool As Ice (1991)
- Crow: City of Angels (1996) WHATTT??? Shameless pricks!!! This can't be on the list!!!
- Drop Dead Fred (1991)
- Dungeons & Dragons (2000)
- The Exorcist Sequels (1977, 1990)
- Far Out Man (1990)
- The Forbidden Dance (1990)
- The "Friday The 13th" Series (1980-1989)
- The Garbage Pail Kids Movie (1987)
- Glen or Glenda? (1953)
- The Gods Must Be Crazy (1984US) and The Gods Must Be Crazy II (1989US) NOOOOOOOOOOOOOOOOOO
- Godzilla (1998)
- Grease 2 (1982)
- Gymkata (1985)
- Halloween III: Season of the Witch (1982)
- Harlem Nights (1989)
- Heartbeeps (1981)
- Heaven's Gate (1981)
- The "Highlander" Sequels (1991, 1994)
- Howard The Duck (1986)
- Hudson Hawk (1991)
- The Incredibly Strange Creatures Who Stopped Living and Became Mixed-Up Zombies (1963)
- Independence Day (1996)
- Ishtar (1987)
- The Island of Dr. Moreau (1996)
- It's Pat: The Movie (1995)
- Jaws 4: The Revenge (1987)
- Judge Dredd (1995)
- Lambada (1990)
- Last Action Hero (1993)
- Leonard Part 6 (1987)
- The "Look Who's Talking" Sequels (1990, 1993) Seen one of these
- Lost In Space (1998)
- Manos - The Hands of Fate (1966)
- Mars Attacks! (1996) Really? Umm... I thought it funny.
- Mortal Kombat: Annihilation (1997)
- Natural Born Killers (1994) Gak!
- The New Adventures of Pippi Longstocking (1988)
- North (1994)
- Nothing But Trouble (1991)
- Penitentiary 2 (1982)
- The Pirate Movie (1982)
- Plan 9 From Outer Space (1959)
- Pokémon: The First Movie (1999)
- The "Police Academy" Series (1984- 1994)
- Popeye (1980)
- The Porky's Trilogy (1982, 1983, 1985)
- The Postman (1997)
- Red Dawn (1984)
- Rhinestone (1984)
- Rocky V (1990)
- Sextette (1978)
- Sgt. Pepper's Lonely Hearts Club Band (1978)
- Shanghai Surprise (1986)
- Showgirls (1995) I didn't think it was that bad
- Speed 2: Cruise Control (1997)
- Spice World (1998)
- Star Trek-The Motion Picture (1979) and the "odd numbered" original cast Star Drek sequels
- Star Wars Episode 1: The Phantom Menace (1999)
- Stop! or My Mom Will Shoot (1992)
- Striptease (1996)
- Superman IV (1987)
- Tarzan, The Ape Man (1981)
- The Texas Chainsaw Massacre and its sequels (1974-1997)
- Titanic (1997)
- Twin Peaks: Fire Walk With Me (1993)
- Waterworld (1995)
- Weekend at Bernie's and Weekend at Bernie's II (1989, 1993)
- Who's That Girl (1987)
- Wicked Stepmother (1989)
- Wild Orchids and Wild Orchids 2 (1990, 1992)
- Wild Wild West (1999)
- Xanadu (1980)