Crow takes his friends to meet Sir Rufus at Dunnett Hall, but there are some strange goings on! Mike, Sarah, Keith and Vicky find some live musical surprises behind the secret panel. Some crossed wires in the secret laboratory provide lots of cartoon action, including the Pink Panther and Dungeons and Dragons.
There's a SuperPrize in a special competition, so watch carefully, but look out for those spooky singing scientists!
There are lots of surprise guests creeping about Dunnett Hall, but will they escape robotizing, and what about Malcolm?