List of film sequels that merge autonomous films

Here is a list of film sequels that merge previously unconnected film series:

Abbott and Costello Meet Frankenstein (1948)

Abbott and Costello Meet the Mummy (1955)

Alien vs. Predator (2004)

Suggested by the Alien vs. Predator media franchise, which pitted the titular creatures of the Alien and Predator series.

Alvin and the Chipmunks Meet Frankenstein (1999)

Alvin and the Chipmunks Meet the Wolfman (2000)

Bambi Meets Godzilla (1969)

An unofficial meeting between Bambi and Godzilla.

Boa vs Python (2004)

Dollman vs. Demonic Toys (1993)

''Frankenstein Meets the Wolf Man (1943)

Freddy vs. Jason (2003)

Freddy Krueger of the Nightmare on Elm Street series and Jason Voorhees of the Friday the 13th series square off.

The Jetsons Meet the Flintstones (1987)

Elroy Jetson of The Jetsons builds a time machine that sends him and his family back to the modern stone age setting of The Flintsones.

King Kong vs. Godzilla (1962)

Puppet Master vs. Demonic Toys (2004)

Rugrats Go Wild! (2003)

Merging the film series based on the Nickelodeon television series Rugrats and The Wild Thornberrys.

Zatoichi Meets the One-Armed Swordsman (1971)
Zatoichi Meets Yojimbo (1970)