Man's Best Friend is a 1993 American science fiction horror film, directed and written by John Lafia.

It stars Ally Sheedy, Lance Henriksen, Robert Costanzo, Frederic Lehne, John Cassini, and J. D. Daniels.

In the film, a television personality frees a Tibetan Mastiff from a genetic research facility, and proceeds to adopt him as a pet.

Judy Sanders, an employee of a genetic research facility named EMAX contacts television personality and animal activist Lori Tanner.

They break into the laboratory, film the various animals that are being experimented on and free a Tibetan Mastiff named Max before escaping with him.

Max scares a paperboy, devours a cat and a vulgar parakeet, chews through the brake lines in Perry's car, and kills a mailman.

When Max pulls loose from his chain, Ray burns his face with a blow torch but is quickly overpowered and killed.

[2] Kevin Thomas of Los Angeles Times, noted that while "cynical and shallow", the film was "polished in all aspects".

Film critic Leonard Maltin gave it a moderately positive two-and-a-half-star review, calling it "derivative, but fun."