The Hinako Triplets bring back Ryder's 18th century ancestors: Professor Franken-Ryder and Oakley Anne Ryder! But when Hood Sickle uses Merasmus' Helmet to brainwash the two undead lovebirds; the Pups need to stop them before Cowboys and Undead Mutants roam the streets of Adventure Bay! Three words for this: Worst! Surprise! Ever!
(Title card with Merasmus's Helmet and Proton on it)
Proton: Young Pup-enstien!