4x9 - Matt Hatter Chronicles

As if Carnival City wasn't spooky enough, now it's got a ghost to contend with in the shape of Tenoroc's latest villain, Toxic Jack. Matt, Roxie and Gomez must brave a haunted warehouse and the spine-tingling terrors within, unaware that Jack's true plan involves a mass prison break from the Chronicles and a city full of rampaging Super Villains, all with a score to settle with Matt.