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Poster for Crossover: Heroes Join Forces
2015–16 season · Dec. 2015

Crossover: Heroes Join Forces

The Hawks and Vandal Savage set up Legends

Runtime1h24Where to watchTBCIn your marathonnot seen yet
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Do you need to watch it?

Yes. It's in the Main story, the list of only what moves the plot forward to the end of the saga.

Where it falls in the order

  • Main story10 of 39
  • Chronological11 of 65
  • Everything13 of 79
  • Arrow only7 of 20
  • The Flash only5 of 26
  • Legends of Tomorrow only1 of 13

Episodes, in this order

  1. The Flash S2E8
  2. Arrow S4E8
Spoilers for this title

Quick recap

Vandal Savage, an immortal, arrives in Central City hunting Kendra Saunders. Barry takes her to Star City so Oliver can protect her. Malcolm Merlyn explains who Savage is, and a winged man, Carter Hall, reveals that he and Kendra have been reincarnating for 4,000 years, always killed by Savage, who absorbs their life force. Kendra awakens as Hawkgirl. Meanwhile, Oliver learns he has a son, William, and hides it from Felicity. The first attempt fails: Savage kills Kendra and Carter and destroys Central City with the Staff of Horus. Barry runs back in time, the team changes plans, steals the staff and reduces Savage to ashes. Kendra and Carter leave, and Malcolm collects the ashes.

No spoilersOpens once you mark the title as seen.
3 easter eggs

Hidden details

  1. ReferenceSavage is far older in comics

    On the show, Vandal Savage is about 4,000 years old. In the comics, he's an immortal caveman roughly 50,000 years old.

    source ↗
  2. ReferenceChay-Ara and Khufu

    Kendra and Carter's Egyptian names come straight from the comics: the priestess Chay-Ara and Prince Khufu, souls reborn and reunited for millennia.

    source ↗
  3. ReferenceVelocity 6, almost Velocity 9

    The speed serum Harry is testing is called Velocity 6. The comics have Velocity 9, a speed drug with nasty side effects, created by none other than Vandal Savage.

    source ↗
No spoilersThe easter eggs give away parts of the title. They open once you mark it as seen.

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