The WORST seasons of The Mystery at Greveholm

Every season of The Mystery at Greveholm ever, ranked from worst to best by thousands of votes from fans of the show. The worst seasons of The Mystery at Greveholm!

The Olsson family move into a castle that turns out to be haunted. The kids, with their dim parents oblivious to all the strange things that are happening, are caught in the middle of a big mystery in the centuries old castle.