Wild West C.O.W.-Boys of Moo Mesa S02 E05 Skull Duggery Rides Again

On Halloween, Skull Duggery returns upon emerging from the cave-in of his mine at Skull Mountain in order to get revenge on Moo, Dakota, and Cowlorado. This time, he has obtained an age accelerating spell with the help of his fellow ghosts where they start aging everything in Cowtown.