When Supergirl, Wonder Woman, Batgirl, Bumblebee and Katana suddenly realize they cannot remember a single moment from their Monday at Super Hero High, the young DC Super Heroes spring into sleuthing action! Suspecting foul-play, they band together to retrace their steps and uncover the mystery of who exactly stole their memories – and what nefarious plan might be afoot?
| Actor | Role |
|---|---|
 Grey DeLisleWonder Woman (voice) | Wonder Woman (voice) |
 Tara StrongHarley Quinn/Poison Ivy (voice) | Harley Quinn/Poison Ivy (voice) |
| AAnais FairweatherSupergirl (voice) | Supergirl (voice) |
 Teala DunnBumblebee (voice) | Bumblebee (voice) |
 Stephanie ShehKatana (voice) | Katana (voice) |
 Ashlyn MaddenBatgirl (voice) | Batgirl (voice) |
 Yvette Nicole BrownAmanda Waller (voice) | Amanda Waller (voice) |
 Greg CipesBeast Boy (voice) | Beast Boy (voice) |
 Romi DamesLena Luthor (voice) | Lena Luthor (voice) |
 John DiMaggioGorilla Grodd / Wildcat (voice) | Gorilla Grodd / Wildcat (voice) |
 Jennifer HaleMad Harriet (voice) | Mad Harriet (voice) |
 Josh KeatonFlash (voice) | Flash (voice) |
 Tom KennyGordon (voice) | Gordon (voice) |
 Rachael MacFarlaneArtemiz (voice) | Artemiz (voice) |
 Mona MarshallEclipso (voice) | Eclipso (voice) |
 Khary PaytonCyborg (voice) | Cyborg (voice) |
 Meredith SalengerLashina (voice) | Lashina (voice) |