Before he finally made Texas Chainsaw Massacre 2, Hooper had a totally different idea for a sequel which he had titled Beyond the Valley of the Chainsaw Massacre
Buddy Giovinazzo(writer/director of Combat Shock) and Joe Spinell(Frank Zito in Maniac) were working on a sequel to Maniac. Maniac 2: Mr Robbie, they got as far as making a promotional short, but Spinell died before they could make a feature.
Buckaroo Banzai vs. The World Crime League was the planned sequel by the studio, but Buckaroo Banzai didn't make enough at the box office so the idea was scrapped.
"I'm going to go do something productive. I'm gonna go watch television." - Ray Peterson, The 'burbs
"I am the literary equivalent of a Big Mac and Fries." - Stephen King
"There's nothing wrong with G-rated movies, as long as there's lots of sex and violence." - Elvira