The Little Ghosts

S2, E10: Benjamin and Otto visit Concord Castle. When Benjamin sits in a time machine, which a royal inventor of long ago had developed, the historical apparatus collapses. A wooden beam hits Benjamin on the head and sends him to the land of dreams to Princess Lea and the ghostly children Cuddle and Ticklish, who lived at the castle many years ago. The pair is accused of being thieves and is chased by the guards. Benjamin and Otto want to help an exciting adventure begins!