In "Night Fright", Elf Cup got lost and chased by a fox that had yellow eyes. In this episode, the Toad Patrol gets chased into Hotspur's home. Elf Cup says that they don't want anything from Hotspur but instead they were chased there by 'Green Eyes'.
Shaggy Mane: You know, Slippery Jack... you work too much! You should sing a song! Make up a poem! I sailed on the wind... though I stayed in one place!
Slippery Jack: Then you lost your balance and fell on your face!