Disney Descendants/Zombies: Worlds Collide Tour at TD Garden, Monday, Aug. 25.

The Disney Channel’s Descendants and Zombies movie franchises might not have the omnipresent cultural footprint that their most obvious antecedent, High School Musical , once did — unlike that behemoth, it’s entirely possible to be completely unaware of them if you’re not a parent — but ignore them at your peril.

Both series — the former tosses the children of classic Disney characters like Belle and Maleficent into boarding school together, and the latter spins aggressively G-rated versions of B-movie monsters such as zombies, werewolves, aliens and vampires into allegories for tolerance — are four movies deep, and with Monday’s TD Garden stop on the Descendants/Zombies: Worlds Collide Tour, it was

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