Endgame

"Endgame" is the 20th episode of the second season of Young Justice, and the 46th and final episode of the overall series. It aired on March 16, 2013.

Logline
On the verge of finally ending the alien invasion, the team discovers the price of victory may be the entire planet Earth!

Cast and characters
! colspan="3" | Non-speaking roles
 * Cameron Bowen
 * colspan="2" | Robin
 * Tim Curry
 * colspan="2" | G. Gordon Godfrey
 * Miguel Ferrer
 * colspan="2" | Vandal Savage
 * Bruce Greenwood
 * colspan="2" | Batman
 * Kevin Grevioux
 * colspan="2" | Black Beetle
 * Bryton James
 * colspan="2" | Virgil Hawkins/Static
 * rowspan="2" | Phil LaMarr
 * colspan="2" | Green Beetle
 * colspan="2" | Aquaman
 * rowspan="2" | Stephanie Lemelin
 * colspan="2" | Artemis/Tigress
 * colspan="2" | Computer
 * rowspan="2" | Eric Lopez
 * colspan="2" | Blue Beetle
 * colspan="2" | Scarab
 * Yuri Lowenthal
 * colspan="2" | Lagoon Boy
 * rowspan="2" | Jason Marsden
 * colspan="2" | Impulse/Kid Flash
 * colspan="2" | Atom
 * Vanessa Marshall
 * colspan="2" | Black Canary
 * Jesse McCartney
 * colspan="2" | Nightwing
 * Danica McKellar
 * colspan="2" | Miss Martian
 * rowspan="3" | Masasa Moyo
 * colspan="2" | Scientist
 * colspan="2" | Cat Grant
 * colspan="2" | Bumblebee
 * rowspan="3" | Nolan North
 * colspan="2" | Tribune
 * colspan="2" | Superboy
 * colspan="2" | Superman
 * rowspan="2" | Khary Payton
 * colspan="2" | Aqualad
 * colspan="2" | Black Lightning
 * Mark Rolston
 * colspan="2" | Lex Luthor
 * Jason Spisak
 * colspan="2" | Kid Flash
 * James Arnold Taylor
 * colspan="2" | Flash
 * Tony Todd
 * colspan="2" | Icon
 * Greg Weisman
 * colspan="2" | Lucas Carr
 * Michael T. Weiss
 * colspan="2" | Captain Atom
 * Mae Whitman
 * colspan="2" | Wonder Girl
 * rowspan="3" | Nolan North
 * colspan="2" | Tribune
 * colspan="2" | Superboy
 * colspan="2" | Superman
 * rowspan="2" | Khary Payton
 * colspan="2" | Aqualad
 * colspan="2" | Black Lightning
 * Mark Rolston
 * colspan="2" | Lex Luthor
 * Jason Spisak
 * colspan="2" | Kid Flash
 * James Arnold Taylor
 * colspan="2" | Flash
 * Tony Todd
 * colspan="2" | Icon
 * Greg Weisman
 * colspan="2" | Lucas Carr
 * Michael T. Weiss
 * colspan="2" | Captain Atom
 * Mae Whitman
 * colspan="2" | Wonder Girl
 * Tony Todd
 * colspan="2" | Icon
 * Greg Weisman
 * colspan="2" | Lucas Carr
 * Michael T. Weiss
 * colspan="2" | Captain Atom
 * Mae Whitman
 * colspan="2" | Wonder Girl
 * colspan="2" | Captain Atom
 * Mae Whitman
 * colspan="2" | Wonder Girl
 * colspan="2" | Wonder Girl
 * colspan="3" | Arsenal
 * colspan="3" | Asami Koizumi
 * colspan="3" | Batgirl
 * colspan="3" | Beast Boy
 * colspan="3" | Blue Devil
 * colspan="3" | Captain Marvel
 * colspan="2" | Darkseid
 * colspan="3" | Desaad
 * colspan="3" | Doctor Fate
 * colspan="3" | Eduardo Dorado Jr.
 * colspan="3" | Galet Dasim
 * colspan="3" | Garth
 * colspan="3" | Green Arrow
 * colspan="3" | Guy Gardner
 * colspan="3" | Hal Jordan
 * colspan="3" | Hawkman
 * colspan="3" | Hawkwoman
 * colspan="3" | Jason Todd (hologram)
 * colspan="3" | Jay Garrick
 * colspan="3" | John Stewart
 * colspan="3" | Martian Manhunter
 * colspan="3" | Mary West
 * colspan="3" | Mercy Graves
 * colspan="3" | Plastic Man
 * colspan="3" | Red Arrow
 * colspan="3" | Red Tornado
 * colspan="3" | Rocket
 * colspan="3" | Rudy West
 * colspan="3" | Sphere
 * colspan="3" | Ted Kord (hologram)
 * colspan="3" | Tseng Dangun
 * colspan="3" | Tula (hologram)
 * colspan="3" | Tye Longshadow
 * colspan="3" | Wolf
 * colspan="3" | Wonder Woman
 * colspan="3" | Zatanna
 * colspan="3" | Jason Todd (hologram)
 * colspan="3" | Jay Garrick
 * colspan="3" | John Stewart
 * colspan="3" | Martian Manhunter
 * colspan="3" | Mary West
 * colspan="3" | Mercy Graves
 * colspan="3" | Plastic Man
 * colspan="3" | Red Arrow
 * colspan="3" | Red Tornado
 * colspan="3" | Rocket
 * colspan="3" | Rudy West
 * colspan="3" | Sphere
 * colspan="3" | Ted Kord (hologram)
 * colspan="3" | Tseng Dangun
 * colspan="3" | Tula (hologram)
 * colspan="3" | Tye Longshadow
 * colspan="3" | Wolf
 * colspan="3" | Wonder Woman
 * colspan="3" | Zatanna
 * colspan="3" | Rudy West
 * colspan="3" | Sphere
 * colspan="3" | Ted Kord (hologram)
 * colspan="3" | Tseng Dangun
 * colspan="3" | Tula (hologram)
 * colspan="3" | Tye Longshadow
 * colspan="3" | Wolf
 * colspan="3" | Wonder Woman
 * colspan="3" | Zatanna
 * colspan="3" | Tula (hologram)
 * colspan="3" | Tye Longshadow
 * colspan="3" | Wolf
 * colspan="3" | Wonder Woman
 * colspan="3" | Zatanna
 * colspan="3" | Wonder Woman
 * colspan="3" | Zatanna
 * colspan="3" | Zatanna
 * colspan="3" | Zatanna

Trivia

 * James Arnold Taylor replaces George Eads as the voice of the Flash.
 * Nolan North replaces Miguel Ferrer as the voice of Tribune, though Ferrer does provide voice work for the episode, as Vandal Savage.

Unanswered questions

 * What is the Light planning to do with Darkseid?