Movies that spawned just ONE sequel...

[Ticonderoga 64]

The Devil Bat(1940) and Devil Bat's Daughter(1946)
Buck Privates(1941) and Buck Privates Come Home(1947)
She(1964) and The Vengeance Of She(1967)

[pacman000]

Starcrash II

Aka

Escape from Galaxy 3

Different director, actors, none of the original characters. But the same special effects!

[pacman000]

Romancing the Stone

Spawned:

Jewel of the Nile

[zombie no.one]

Romancing the Stone

Spawned:

Jewel of the Nile

mentioned on page 2...

 the STARCRASH thing sounds craptastic!

Village Of the Damned(1960)
Children Of the Damned(1963)

good call, surprised that wasn't mentioned yet

[Cult_Moody_Movies]

Cocoon (1985)
Cocoon: The Return (1988)

[zombie no.one]

Cocoon (1985)
Cocoon: The Return (1988)

wow, can't believe this didn't come up in the thread!

[zombie no.one]

Steve Guttenberg cameo'd as himself in a few episodes of the tv series BO! IN THE USA, and the main character constantly addressed him as "Steve Guttenberg from Caaackkooon One and Caaackkkooonn Two" 

[zombie no.one]

Now I think it's probably time to address the enormous elephant in the room here, which is:

Do SCANNER COP and SCANNER COP 2 count as 'original + lone sequel', when they could also technically be considered the 4th and 5th movies in the SCANNERS franchise?

I appreciate this is a highly sensitive issue, but it needed to be brought up.

[Rev. Powell]

Now I think it's probably time to address the enormous elephant in the room here, which is:

Do SCANNER COP and SCANNER COP 2 count as 'original + lone sequel', when they could also technically be considered the 4th and 5th movies in the SCANNERS franchise?

I appreciate this is a highly sensitive issue, but it needed to be brought up.

I'm on team "SCANNER COP is part of SCANNERS."

[zombie no.one]

I'm on team "SCANNER COP is part of SCANNERS."

*head explodes*