Release Message:  Professor Von Squakenkluck has invented a time machine and accidentally sends Penfold (Terry Scott) back 150 Million Years into the past in place of a dinosaur egg.

Description:  Professor Von Squakenkluck has invented a time machine and accidentally sends Penfold back 150 Million Years into the past in place of a dinosaur egg. Danger Mouse follows in the Mark 12, after changing places with a Diplodocus.