Desperate for academic success, Pierce steals an evil mask from Helsing and uses it as his art project. Only trouble is, it makes everyone zombies!
Season 1
Season 2
Season 3
Unmask a Mimic Wear a Mech Suit Stop the Noisy Neighbours Pop the Pimple Clean Helsing's Study Destroy the Invisibility Jacket Get Pierce's Memory Back Possess Charlie Don't be Weird Clean the Pool Meet Future You Infiltrate the Talent Show Babysit Snorp Make Bad Things Good Haunt the House Mind the Heckhound Catch a Ghost Rat Have Dinner with a Vampire Walk Wolfman Get Embarrased Catch a Wolf Help Frank Guard the Magic Wand Coach the Gnomes Stop the Zombies Complete Helsing's Chore
Unmask a Mimic Wear a Mech Suit Stop the Noisy Neighbours Pop the Pimple Clean Helsing's Study Destroy the Invisibility Jacket Get Pierce's Memory Back Possess Charlie Don't be Weird Clean the Pool Meet Future You Infiltrate the Talent Show Babysit Snorp Make Bad Things Good Haunt the House Mind the Heckhound Catch a Ghost Rat Have Dinner with a Vampire Walk Wolfman Get Embarrased Catch a Wolf Help Frank Guard the Magic Wand Coach the Gnomes Stop the Zombies Complete Helsing's Chore