1981 The Munsters' Revenge

The Munsters' Revenge is a made-for-TV film produced by Universal Studios that first aired on NBC on February 27, 1981. It reunited The Munsters cast members Fred Gwynne as lovably bumbling oaf Herman, Al Lewis as cranky old Grandpa and Yvonne De Carlo who isn't given much to do as Lily. Butch Patrick and Pat Priest were replaced by newcomers Jo McDonnell as Marilyn and Canadian child actor K. C. Martel as Eddie. Peter Fox contributes a likable performance as nice guy detective Glen, and Bob Hastings is a total robust hoot as a jolly opera-singing Phantom of the Opera. The film was produced as a way for a possible sequel to the original (1964-1966) series.

The film is about a "wax museum owner/evil criminal mastermind Dr. Diablo (a frantically mugging Sid Caesar) who creates robot lookalikes of Herman and Grandpa in order to pull off an elaborate heist to frame them. They must both prove their innocence and find out the true thieves in time for the Halloween celebration at the Munster home." The Munsters' Revenge was released on VHS by Gaiam on November 7, 1996. It is available on a 2006 DVD double-feature known as Two-Movie Fright Fest alongside Munster, Go Home!

I wasn't really a fan of this film when I was a kid but I love it now. Not as great as the original 1964-1966 series but I think still good.

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1996 The Spooktacular New Adventures of Casper - Halloween

From Wikipedia: The Spooktacular New Adventures of Casper (also known as simply Casper) is an animated television spin-off of the 1995 feature film Casper, which, in turn, was based on the Harvey Comics character of Casper the Friendly Ghost. It aired on FOX Kids television and FOX Family Channel from 1996-1998 for 3 seasons, 52 episodes. Many of the same people who worked on this show also worked on Animaniacs and Pinky and the Brain.

The first segment is called:
Spooky & Poil Meet the Monsters
Responding to a Haunt Ad, Casper's mischief-minded cousin, Spooky (along with his "ghoulfriend" Poil in tow) investigates a creepy old house hoping to get a job haunting the joint. But they must contend with Frankenstein's monster, Dracula, the Wolfman, the Gill-man, the Mummy and the Invisible Man.


The second and third segments are called:
The Ghostly Trio
Edward-Gorey-esque rhymes and artwork, telling a tale of how Casper's uncles, the Ghostly Trio, decide to leave when everyone ignores them. Narrated by Kat, Casper's thirteen year old human companion.

AND

The Tricks a Treat
When Kat's school enemies, the rich spoiled Valley Girl-types, Amber and the Jennifers announce that they're having a big Halloween bash, Casper (disguised as a P.A. box) announces that Kat is also having one - with real ghosts. But as it turns out, it's against Spooksters Union rules for ghosts or monsters to scare on Halloween. With appearances by the Ghostly Trio, Dracula, Frankenstein's monster, the Mummy, the Wolfman and the Gill-man.