The 3rd movie of The Addams Family series has the lack of quality of a TV movie. It is made by Saban Entertainment, the people behind Power Rangers, and it shows in the not so special effects.
In hope of discovering unknown Addams the family employs an ancestry service. They filled out the form in blood, and it ruins the computer network. As a result they're matched with an Adams family. These people are scheming for an inheritance and assume the newcomers are after it as well. Meanwhile at the Addams mansion a lost couple from the Adams clan endure chaos.