After Laurel revealed the truth about Lyla's betrayal to Oliver and Diggle, Laurel and Oliver are stuck in an alternate reality with a familiar face on Arrow season 8, episode.
The Arrow-verse is gearing up for their biggest crossover to date, "Crisis on Infinite Earths," which will see the multi-verse threatened with something bigger than ever... so why aren't all.
Green Arrow and the Canaries, the placeholder name for the Arrow spin-off until we receive a confirmed title, is the next adventure for the Green Arrow, this time as Mia.
On Arrow season 8, episode 4, the present and future collide, as Mia, William, and Connor arrive in 2019. Just as confused as everyone else, Oliver tries to contend with.
On Arrow season 8, episode 2, the Monitor is angry at Oliver for intervening in the affairs of Earth-2's residents, and especially for saving Laurel from the anti-matter wave that.
On Arrow season 8, episode 1, Oliver travels to Earth-2 (Laurel's Earth) to fill the shoes of his deceased counterpart (who died when the Queen's Gambit went over), in order.