#HardRock is the seventeenth short of DC Super Hero Girls that was released online.
Diana Prince’s first experience at the Lazarus Pit goes horribly wrong when she mistakes a mosh pit for an actual brawl.
- The title is a reference to the music genre of the same name.
- On December 28, 2019, this short and "Let Them Eat Pie" were released as a "Digital Exclusive" on Cartoon Network UK's YouTube channel.
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