Earth-66 was among the universes destroyed by an anti-matter wave during a Crisis in 2019.
- Dick Grayson
- The number 66 references the Adam West Batman television series, which ran between 1966 and 1968.
- Due to its limited screentime, the history of Earth-66 is unknown.
- Although this universe was destroyed along with the rest of the original multiverse, it is reasonable to assume that an identical universe was among the many universes that were spawned from Earth-Prime, which was created by the Spectre.
- Earth-66 was not shown post-Crisis.
- Characters from Arrowverse: Earth-66
- Other things related to Arrowverse: Earth-66
- Arrowverse: Earth-66's Comic Appearances
- Reality Gallery: Arrowverse: Earth-66
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