Did you know that Felicity Smoak, a fan-favorite character from "Arrow," made her way into "The Flash"? It’s pretty cool how that works in the world of superheroes! Felicity first pops up in Season 1, Episode 23, titled "Fast Enough." This episode is actually part of a big crossover because Felicity's adventures don’t always keep her in one place. She’s like that friend who … [Read more...] about what episode does felicity appear in the flash