Oliver wakes up to a life where he never got on The Queen’s Gambit. Robert and Moira Queen are alive and well. Laurel is his loving fiancée and their wedding is imminent. Everything seems perfect, but Oliver starts to notice small imperfections that make him question this new reality. Meanwhile, Felicity and the recruits take on a new threat with help from The Flash and Supergirl. Part 1 - Supergirl - S02E08 Part 2 - The Flash - S03E08 Part 3 - Arrow - S05E08 Part 4 - DC's Legends of Tomorrow - S02E07
Elenco: Stephen Amell , David Ramsey , Katie Cassidy , Willa Holland , Paul Blackthorne , Emily Bett Rickards , Echo Kellum , Colton Haynes , Rick Gonzalez , Juliana Harkavy , John Barrowman , Susanna Thompson , Manu Bennett , Colin Donnell , Josh Segarra , Sea Shimooka , Ben Lewis , LaMonica Garrett , Katherine McNamara , Joseph David-Jones , Stephen Amell , Summer Glau , Susanna Thompson , Sussana Thompson , Willa Holland .