It's a Super Life

"I recognize I made a mistake in hiding my identity from you for so long, but the past is the past, and I can't change it. Forgive me or not, that's your choice."

- Supergirl to Lena Luthor

Synopsis
Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, would things turn out different? Looking back over key moments throughout the series, Kara must decide if she wants to change history to become friends with Lena again. Familiar faces return in this special episode.

Protagonists

 * Super Friends
 * Kara Danvers/Supergirl (Kara Zor-El)
 * Alex Danvers
 * John Jones (J'onn J'onzz)
 * Mxyzptlk
 * Lena Luthor

First Alternate Timeline

 * Kara Danvers (Kara Zor-El)
 * Lena Luthor

Second Alternate Timeline

 * Super Friends
 * Kara Danvers/Supergirl (Kara Zor-El)
 * Martian Manhunter (J'onn J'onzz)
 * Lena Luthor

Third Alternate Timeline

 * Super Friends
 * Supergirl (Kara Zor-El)
 * Alex Danvers
 * Lena Luthor
 * Martian Manhunter (J'onn J'onzz)
 * James Olsen
 * Winn Schott
 * The Legion

Fourth Alternate Timeline

 * Super Friends
 * Kara Danvers/Supergirl (Kara Zor-El)
 * Alex Danvers
 * Martian Manhunter (J'onn J'onzz)
 * The Legion
 * Toyman/Computer Lad (Winn Schott)
 * Dreamer (Nia Nal)
 * Guardian (Kelly Olsen)
 * Guardian (Kelly Olsen)

Third Alternate Timeline

 * Reign
 * Reign

Fourth Alternate Timeline

 * Agent Liberty (Ben Lockwood)
 * L-Corp
 * Lillian Luthor
 * Metallo (Lena Luthor)
 * Hope
 * Reign
 * Brainiac 5 (Querl Dox)
 * Hope
 * Reign
 * Brainiac 5 (Querl Dox)

Teams and Organizations

 * Luthor Corp
 * Luthor Corp
 * Luthor Corp

Second Alternate Timeline

 * L-Corp
 * DEO
 * DEO

Third Alternate Timeline

 * DEO

Fourth Alternate Timeline

 * L-Corp
 * DEO
 * CatCo Worldwide Media
 * NCPD
 * CatCo Worldwide Media
 * NCPD
 * NCPD
 * NCPD

Species

 * Kryptonian
 * Humans
 * Green Martian
 * Imp

First Alternate Timeline

 * Human
 * Kryptonian

Second Alternate Timeline

 * Humans
 * Kryptonian
 * Green Martian

Third Alternate Timeline

 * Humans
 * Kryptonian
 * Daxamite
 * Green Martian
 * Green Martian

Fourth Alternate Timeline

 * Humans
 * Kryptonians
 * Daxamite
 * Coluans
 * Human-Naltorian Hybrid
 * Green Martian
 * Artificial Intelligence

Objects and Concepts

 * Kara Danvers' Glasses
 * Supergirl Suit
 * Kal-El's Blanket
 * Paintball guns
 * Paintball guns
 * Paintball guns

First Alternate Timeline

 * Kara Danvers' Glasses

Second Alternate Timeline

 * Kara Danvers' Glasses
 * Supergirl Suit
 * Kal-El's Blanket
 * Martian Manhunter Suit
 * Martian Manhunter Suit

Third Alternate Timeline

 * Supergirl Suit
 * Kal-El's Blanket
 * Timeships
 * Legion Cruiser*
 * DEO Protective Suit
 * DEO Protective Suit
 * DEO Protective Suit
 * DEO Protective Suit

Fourth Alternate Timeline

 * Kara Danvers' Glasses
 * Supergirl Suits
 * Martian Manhunter Suit
 * DEO Protective Suit
 * Lexosuit
 * Dreamer Suit
 * Fifth Dimensional Hat
 * Brainiac 5 Suit
 * Image Inducer
 * Life Projectors
 * Guardian Shield
 * Legion Ring
 * Staff
 * Dream Energy
 * Life Projectors
 * Guardian Shield
 * Legion Ring
 * Staff
 * Dream Energy
 * Dream Energy
 * Dream Energy
 * Dream Energy
 * Dream Energy

Locations

 * Earth-Prime
 * Earth
 * United States of America
 * California
 * National City
 * Kara Danvers' Loft

First Alternate Timeline

 * Earth-Prime
 * Earth
 * Kaznia

Second Alternate Timeline

 * Earth-Prime
 * Earth
 * United States of America
 * California
 * National City
 * L-Corp Office
 * Metropolis

Third Alternate Timeline

 * Earth-Prime
 * Earth
 * United States of America
 * California
 * National City
 * DEO National City Headquarters

Fourth Alternate Timeline

 * Earth-Prime
 * Earth
 * United States of America
 * California
 * National City
 * DEO National City Headquarters
 * Hammersmith Tower
 * Kara Danvers' Loft
 * L-Corp Office
 * CatCo Plaza
 * Tower
 * Tower