Starro Attacks!

Starro Attacks! is the first and debut episode of the first season of DC Universe: Legends.

Synopsis
''Earth comes under attack from Starro the Conqueror and the world's governments fail to stop it. Luckily though, various heroes come at a time of need to battle the psychic starfish with their combined power. Batman, Superman, Wonder Woman, Flash, Green Lantern, Martian Manhunter and Aquaman defeat the invader, saving the Earth from being controlled thanks to an unaffected Snapper Carr. With Starro defeated, the heroes become known as the world's new team: Justice League of America.''

Main characters

 * Justice League of America (debut) 
 * Superman (Kal-El/Clark Kent) (debut) 
 * Batman (Bruce Wayne) (debut) 
 * Wonder Woman (Diana Prince) (debut) 
 * Martian Manhunter (J'onn J'onzz) (debut) 
 * Flash (Barry Allen) (debut) 
 * Green Lantern (Hal Jordan) (debut) 
 * Aquaman (Orin/Arthur Curry) (debut) 
 * Starro the Conqueror (debut) 
 * Starro spores (debut) 

Secondary characters

 * Snapper Carr (debut) 
 * General Sam Lane (debut) 
 * Director Amanda Waller (debut) 
 * Colonel Steve Trevor, Jr. (debut) 
 * Lois Lane (debut) 
 * Lex Luthor (debut) 
 * Mercy Graves (debut) 

Guest characters

 * Carol Ferris (debut) 
 * Robin (Dick Grayson) (debut) 
 * '''Commissioner Jim Gordon (debut)
 * Jimmy Olsen (debut) 
 * Alfred Pennyworth (debut) 
 * G. Gordon Godfrey (debut) 
 * Henry Allen (debut) 
 * President Paul Weisinger (debut) 
 * General Wade Eiling (debut) 

Groups

 * C.C.P.D. (debut) 
 * Dynamic Duo (debut) 
 * G.C.P.D. (debut) 
 * Justice League of America (debut) 
 * United States government (debut) 
 * A.R.G.U.S. (debut) 
 * United States Air Force (debut) 
 * United States Army (debut) 

Businesses

 * Central City Police Department (debut) 
 * Daily Planet (debut) 
 * Ferris Aircraft (debut) 
 * Galaxy Communications (debut) 
 * Galaxy Broadcasting System (debut) 
 * Gotham City Police Department (debut) 
 * LexCorp (debut) 
 * Queen Industries (debut) 
 * S.T.A.R. Labs (debut) 
 * Wayne Enterprises (debut) 

Locations

 * '''Earth (debut)
 * United States of America (debut) 
 * California (debut) 
 * Coast City (debut) 
 * Ferris Aircraft headquarters (debut) 
 * Los Angeles (debut) 
 * Delaware (debut) 
 * District of Metropolis (debut) 
 * Metropolis (debut) 
 * New Troy (debut) 
 * Avenue of Tomorrow (debut) 
 * Metro Square (debut) 
 * Centennial Park (debut) 
 * Daily Planet building (debut) 
 * Galaxy Communications headquarters (Metropolis) (debut) 
 * LexCorp Tower (debut) 
 * Metropolis Park (debut) 
 * S.T.A.R. Labs headquarters (debut) 
 * Wayne Enterprises building (Metropolis) (debut) 
 * St. Martin's Island (debut) 
 * Suicide Slum (debut) 
 * Kansas (debut) 
 * Keystone City (debut) 
 * Iron Heights Penitentiary (debut) 
 * Maine (debut) 
 * Amnesty Bay (debut) 
 * Curry Lighthouse (debut) 
 * Michigan (debut) 
 * Wayne County (debut) 
 * Detroit (debut) 
 * Missouri (debut) 
 * Central City (debut) 
 * C.C.P.D. headquarters (debut) 
 * Jitters (debut) 
 * Queen Industries building (Central City) (debut) 
 * S.T.A.R. Labs building (Central City) (debut) 
 * New Jersey (debut) 
 * Gotham County (debut) 
 * Gotham City (debut) 
 * East End (debut) 
 * Park Row (debut) 
 * Old Gotham (debut) 
 * Clock Tower (debut) 
 * G.C.P.D. headquarters (debut) 
 * Wayne Enterprises headquarters (debut) 
 * S.T.A.R. Labs building (Gotham City) (debut) 
 * Crest Hill (debut) 
 * Wayne Manor (debut) 
 * Batcave (debut) 
 * New York (debut) 
 * New York City (debut) 
 * Washington, D.C. (debut) 
 * A.R.G.U.S. headquarters (debut) 
 * White House (debut) 
 * Mars (debut; flashback) 

Objects

 * Aquaman suit (debut) 
 * Batmobile (debut) 
 * Batplane (debut) 
 * Batsuit (debut) 
 * Bat-Belt (debut) 
 * Batarangs (debut) 
 * Electrified batarangs (debut) 
 * Grappler gun (debut) 
 * Flash suit (debut) 
 * Lexosuit (debut) 
 * Power ring (debut) 
 * Green Lantern suit (debut) 
 * Robin suit (debut) 
 * Superman suit (debut) 
 * Wonder Woman armour (debut) 
 * Bracelets of Submission (debut) 
 * Wonder Woman's sword & shield (debut) 
 * Wonder Woman's tiara (debut) 
 * Lasso of Truth (debut) 

Characters

 * Carl Ferris (mentioned; pictured) 
 * '''Reverse-Flash (Eobard Thawne) (mentioned as the Man in Yellow)
 * Warden Gregory Wolfe (mentioned as Warden Wolfe) 
 * Hera (mentioned as expression) 
 * Joker (mentioned) 
 * K'hym J'onzz (mentioned as J'onn J'onzz's daughter) 
 * M'yri'ah J'onzz (mentioned as J'onn J'onzz's wife) 
 * Martha Wayne (mentioned; pictured) 
 * Nora Allen (mentioned) 
 * Perry White (mentioned) 
 * Captain Sarah Essen (mentioned as Captain Essen) 
 * Thomas Wayne (mentioned; pictured) 

Groups

 * C.I.A. (mentioned) 
 * Green Lantern Corps. (mentioned) 
 * Guardians of the Universe (mentioned) 
 * Oddfellows (mentioned) 

Locations

 * Colto Maltese (name on newspaper) 
 * Qurac (mentioned) 

General trivia

 * This is the very first episode in the DC Universe: Legends series.
 * This episode is adapted from The Brave and the Bold #28.
 * The Justice League of America is formed.
 * When the United States government are informed of an imminent attack, Qurac is initially suspected of being behind the threat. In the comics, Qurac is a highly anti-U.S. nation in Asia known for its prominent terrorism.

Batman trivia

 * A portrait depicting Thomas and Martha Wayne can be seen in Bruce Wayne's manor.
 * Bruce uses a head bust of William Shakespeare to enter the Batcave, much like in the 1966 Batman TV series.
 * Alfred mentions that Bruce has battled the Joker some time before.

Flash trivia

 * Barry Allen insists to his incarcerated father that a "man in yellow" killed Nora Allen, referencing the Flash's sworn archenemy Eobard Thawne, who killed his mother in the comics.

Green Lantern trivia

 * Hal Jordan refers to himself as a Green Lantern of Sector 2814. Since Hal is a native human, Earth resides in this sector.
 * Hal contacts a group known as the Guardians of the Universe. In the comics, they are a group of Maltusians who founded the Green Lantern Corps., being the ones the Corps. refer to whenever needed.

Superman trivia

 * At the Daily Planet, newspaper clippings show various articles, referencing Intergang, a night with Superman, tensions between America and Corto Maltese and the first photo of Superman. These are all articles which have been published in the comics aside from Corto Maltese, which was an event that transpired in Batman: The Dark Knight Returns.
 * In Lex Luthor's private room, various files are shown on-screen, such as Project Cadmus, Project 7734 and Project Guardian.
 * Project Cadmus is a research lab based around genetic experimentation in the comics.
 * Project 7734 was an operation founded by Sam Lane to safeguard Earth from various extraterrestial threats in the comics.
 * Project Guardian is likely a reference to the genetic clone and Project Cadmus bodyguard Guardian, a superhero and later ally of Superman in the comics.

Wonder Woman trivia

 * The President asks Amanda Waller why she hadn't sent in the Oddfellows yet. In the comics, the Oddfellows are an A.R.G.U.S. task force led by Steve Trevor, consisting of specialised military-men from across the globe alongside Wonder Woman. They first debuted in the 2017 Wonder Woman film as the Wonder Men.