DC Super Hero Girls: Legends of Atlantis is a 2018 American animated superhero film based on the DC Super Hero Girls franchise, produced by Warner Bros. Animation and distributed by Warner Bros. Home Entertainment.^[4] It is the fifth and final film in the DC Super Hero Girls franchise before it got rebooted by Lauren Faust, and it takes place in the Season 4 timeframe. It premiered at the San Diego Comic-Con International on July 22, 2018^[5] and was released digitally and on DVD on October 2.^[6][7]

An uneventful day at school until the powerful Book of Legends is suddenly stolen from Super Hero High. In order to uncover the mystery, Wonder Woman, Batgirl, Supergirl, Bumblebee and the rest of the Super Crew must journey through the depths of the ocean to Atlantis. There, the girls encounter Mera and Siren, the ocean-dwelling thieves, who prove to be a formidable match. In order to recover the stolen tome and return it to its rightful place, DC Super Hero Girls must band together and use their collective powers to successfully get back to land.

• Yvette Nicole Brown as Principal Waller
• Greg Cipes as Beast Boy
• Teala Dunn as Bumblebee
• Anais Fairweather as Supergirl
• Nika Futterman as Hawkgirl
• Grey Griffin as Wonder Woman
• Julianne Grossman as Hippolyta
• Tania Gunadi as Lady Shiva
• Josh Keaton as Flash
• Tom Kenny as Commissioner Gordon / Crazy Quilt
• Misty Lee as Big Barda
• Erica Lindbeck as Mera / Siren
• Danica McKellar as Frost
• Max Mittelman as Aquaman
• Khary Payton as Cyborg
• Stephanie Sheh as Katana
• Tara Strong as Harley Quinn / Poison Ivy / Raven
• Fred Tatasciore as Burly Man
• Hynden Walch as Princess Koriand'r/Starfire
• Mae Whitman as Batgirl

The film was released on DVD and digitally on October 2, 2018.^[6]

• List of underwater science fiction works