See a List of All of the Movies For Kids on HBO Max
All of the Harry Potters, The Lego Movie, and 107 Other Movies For Kids on HBO Max
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HBO Max's Description: "'There's no need to fear…Underdog is here!' The heroic cartoon canine is brought to the big screen in this live-action comedy that finds the super-powered beagle trying to save his city from the destructive clutches of a mad scientist."