Kara, die ook bekendstaat als Supergirl, is ontroostbaar nadat ze haar thuisplaneet Krypton kwijtraakt. Ze worstelt zichtbaar om zich aan het aardse leven aan te passen. Ze wordt bijgestaan door haar mentor en neef Superman met wie ze deel uitmaakt van de mysterieuze groep 'The Dark Circle'. Deze is op zoek naar een krachtig wapen.
Nee, helaas is Legion of Super-Heroes nog niet beschikbaar op Netflix in Nederland.
| Sound | Kevin Riepl | Original Music Composer |
| Writing | Bob Kane | Characters |
| Writing | Bill Finger | Characters |
| Writing | Paul Levitz | Characters |
| Writing | Mike Grell | Characters |
| Production | Lauren D. Sanchez | Assistant Production Manager |
| Production | Alicia Heraper | Assistant Production Manager |
| Production | Jacqueline Howard | Assistant Production Manager |
| Production | Monique Mosbe | Assistant Production Manager |
| Visual Effects | Jon Suzuki | Character Designer |
| Visual Effects | Dusty Abell | Character Designer |
| Visual Effects | Tina Duong | Character Designer |
| Visual Effects | Otto Schmidt | Character Designer |
| Art | Art Lee | Prop Designer |
| Art | Brian Uchida | Prop Designer |
| Art | Robert Haverland | Background Designer |
| Art | Augusto Barranco | Background Designer |
| Art | Rodel Gravo | Background Designer |
| Art | Tec Manalac | Background Designer |
| Art | John Paik | Background Designer |
| Art | Jonard Soriano | Background Designer |
| Visual Effects | Kim Bowen | Color Designer |
| Visual Effects | Craig Cuqro | Color Designer |
| Visual Effects | Christina Long | Color Designer |
| Art | Aluir Amancio | Storyboard Artist |
| Art | Jessica Cuffe | Storyboard Artist |
| Art | Elsa Garagarza | Storyboard Artist |
| Art | Keala Lash | Storyboard Artist |
| Art | David Maximo | Storyboard Artist |
| Art | Ifesinachi Orjiekwe | Storyboard Artist |
| Art | Chris Palmer | Storyboard Artist |
| Art | Jose Andres Velasco | Storyboard Artist |
| Art | Matthew Girardi | Art Direction |
| Art | Brenna Kraus | Graphic Designer |
| Art | Brenna Kraus | Title Designer |
| Production | Greg Emerson | Other |
| Production | Kip Brown | Post Producer |
| Crew | Rebecca Sands Coutts | Post-Production Manager |
| Crew | Marissa Llano | Post-Production Manager |
| Production | Lisa Hallbauer | Other |
| Production | Djochoua Belovarski | Production Manager |
| Sound | Jeff O. Collins | Other |
| Sound | Wilson Martinez | Other |
| Sound | Mark A. Keatts | Supervising Dialogue Editor |
| Sound | Mark A. Keatts | ADR Editor |
| Sound | Kelly Ann Foley | Dialogue Editor |
| Sound | Kelly Ann Foley | ADR Editor |
| Sound | Patrick J. Foley | Dialogue Editor |
| Sound | Patrick J. Foley | ADR Editor |
| Sound | Michael Garcia | Dialogue Editor |
| Sound | Michael Garcia | ADR Editor |
| Sound | Fred Salinas | Dialogue Editor |
| Sound | Fred Salinas | ADR Editor |
| Editing | Darren Griffiths | Online Editor |
| Production | Aisha Clarke | Administration |
| Production | Agnes Kim | Casting |
| Production | Sarah Noonan | Casting |
| Production | Liz Carroll | Administration |
| Production | Yadira Davis | Production Accountant |
| Production | Athena Wingate | Production Accountant |
| Production | Bobbie Page | Production Supervisor |
| Production | Ed Adams | Production Manager |
| Production | Peter Girardi | Executive In Charge Of Production |
| Production | Butch Lukic | Supervising Producer |
| Directing | Jeff Wamester | Director |
| Writing | Josie Campbell | Writer |
| Production | James Krieg | Producer |
| Production | Kimberly S. Moreau | Producer |
| Production | Sam Register | Executive Producer |
| Production | Wes Gleason | Casting |
| Editing | Bruce King | Editor |
| Writing | Joe Shuster | Characters |
| Writing | Jerry Siegel | Characters |
| Production | Angela O'Sullivan | Line Producer |
| Production | Marlene Corpuz | Production Manager |
