When Aida appears in the real world, Coulson quickly realizes there's something different about her. "She's not a robot anymore," he says. May tries to take a shot at her, but Aida vanishes with Fitz. From Marvel's Agents of S.H.I.E.L.D. Season 4, Episode 20: Farewell, Cruel World! Watch all-new episodes TUESDAYS 10|9c on ABC.