As Iris receives word of a career milestone, Barry is suddenly nowhere to be found. In trying to get back home, Barry runs across many familiar faces. Khione continues to figure out her powers and Chester works on a suit for Allegra.

Charles Singh, Elodie Venece, Jesse L. Martin, John Wesley Shipp, JoJo Ahenkorah, Matt Letscher, Michelle Harrison, Nilo Ghajar, Patrick Sabongui, Rick Cosnett, Victor Garber