The Flash Season 4 Episode 8 Full Series #The CW Overview ☛ Barry and Iris's wedding brings the gang together , but things go awry when villains from Earth-X attack the ceremony . All of the superheroes band together with help from their super friends like Citizen Cold , The Ray , Felicity Smoak , Iris West and Alex Danvers to take on their most formidable villains yet . Earth's mightiest heroes - Gr . . .