List of alternate timelines

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This is a list of alternate timelines.

Introduced in the 1940s

• The main timeline where George Bailey has lived his life, and the timeline where he was never born (It's a Wonderful Life)

Introduced in the 1970s

• The timeline where Lois Lane dies, and the timeline where Superman saves her (Superman, the 1978 film)

Introduced in the 1980s

• The main timeline, and Future Trunks's timeline (Dragon Ball Z)
• The original timeline where George is bullied by Biff as an adult in 1985, and the second timeline where George is a successful writer in 1985 (Back to the Future film)
• Back to the Future Part II:
  • The timelines where the older Marty had a car accident:
    • The timeline where Marty's son is arrested in 2015.
    • The timeline where Biff's son is arrested in 2015.
  • The dystopian timeline where Biff gets rich with the sports almanac from the future, as seen in 1985.
  • The timeline where the older Marty had no car accident.

Introduced in the 2010s

• Puella Magi Madoka Magica:
  • The original timeline, where Homura becomes a magical girl.
  • The timeline where Homura, Mami, and Madoka fight as a trio (Homura's first time loop).
  • The timeline where Mami kills Kyoko and Madoka kills Mami.
  • The earliest timeline where Homura is seen fighting alone and preventing Madoka to become a magical girl.
  • The main anime timeline.
  • The timeline after Madoka recreates the universe.
• The main timeline, and the alternate timeline where the Lich never existed (Adventure Time episodes "Finn the Human" and "Jake the Dog")
• The timeline where Clara Clayton fell in the ravine and Mad Dog Tannen killed Doc Brown, both in 1885; the timeline where Clara was saved and Doc Brown survived (Back to the Future Part III)
• The main timeline, with Haruhi as a North High student; the alternate timeline, where Haruhi and Koizumi attend the Kouyouen school instead (The Disappearance of Haruhi Suzumiya light novel and anime film)