kids movie before the 2000's, kids show up at old mansion house and there's some mystery to solve, and there's a mouse in a grandfather clock and dancing music box people

When the diabolical Professor Ratigan kidnaps London's master toymaker, the brilliant master of disguise Basil of Baker Street and his trusted sidekick Dawson try to elude the ultimate trap and foil the perfect crime.

In an old Hollywood mansion, the spirit of an old family retainer inhabits an old grandfather clock. When a movie company uses the mansion for a film, the spirit inhabits the body of an alien and persuades the two filmmakers to track down an old house that will resolve a family scandal.

This animated musical takes place in an ordinary house where, in addition to its human inhabitants, lives a family of mice. The three siblings Ferda, Pupik and Masle leave their little mouse hole through secret passages in the wall on adventures through the whole big house. In the end, they are always saved from various accidents and dangers by Grandpa Fousek, though his grandchildren don't know it.

A mouse and a cuckoo bird, skeptical about the existence of ghosts, are startled by a midnight visit from a sextet of spirits, all men who once wooed a Florador show-girl. The specters do a song-and-dance routine from the gay-90's era of show-business. They all fade away at dawn, leaving the mouse and the cuckoo bird less-convinced skeptics than they were before the witching hour.

A family film about an adventure of kids discovering and safeguarding the mystery of an old garden.

When ten-year-old Lewis is suddenly orphaned, he is sent to live with his Uncle Jonathan in a creaky (and creepy) old mansion with a mysterious ticking noise that emanates from the walls. Upon discovering that his uncle is a warlock, Lewis begins learning magic, but when he rebelliously resurrects an evil warlock he must find the secret of the house and save the world from destruction.

A mouse, perhaps a distant relative to Mickey, appears onstage to play piano for an audience. Throughout the cartoon, he plays old songs from the early 20th century as we see short stories to go along with them.

Monsters under the bed are scary enough, but what happens when an entire house is out to get you? Three teens aim to find out when they go up against a decrepit neighboring home and unlock its frightening secrets.

A Christmas special about a world-class mystery-writing mouse who spends Christmas Eve with his sleuthing partners tracking down a missing Santa. The special combines live-action footage with an animated character, Alex the mouse.

A trio of kids have many exciting adventures while exploring a spooky mansion in the hope of finding their missing friends.