Mad Monster Party.

Name: Mad Monster Party
Genre: Animation, Comedy, Fantasy, Family
Released: 1967-03-08
Duration: 94 min
Cast: Boris Karloff, Phyllis Diller, Allen Swift, Gale Garnett, Ethel Ennis

The guest list is frightfully good.

Baron Frankenstein gathers the world’s most famous monsters to announce his retirement. A very human nephew joins the island party, setting off a scramble over who will inherit the family business.

67%Tomatometer9 critics · Rotten Tomatoes

Checked Oct 24, 2026. About these scores

Why it’s a little special

Handcrafted stop-motion creatures turn a monster reunion into a playful Halloween spectacle.

BEFORE YOU PRESS PLAY

Know the story.
Know your little people.

PG Pick guidance

Parent discretion advised

US source listing: NR. The PG category is PG Pick editorial guidance, not an official US rating.

Monster imagery, threats, comic violence, explosions and dated jokes may unsettle younger viewers. PG Pick suggests parental guidance.

Our categories and suggested ages are editorial guidance. Read the content notes for your child’s sensitivities. You know your family best.

BEHIND THE SCENES

The little details.

Directed by: Jules Bass
Starring: Boris Karloff, Phyllis Diller, Allen Swift, Gale Garnett, Ethel Ennis
Produced by: Jules Bass, Arthur Rankin Jr., Joseph E. Levine
Release date: March 8, 1967
Runtime: 94 minutes
Genre: Animation, Comedy, Fantasy, Family
Studio: Lionsgate
Language: English