The Flash (2014) (2014)

S4E4 Elongated Journey Into Night

Title: Lengthy Odyssey Into Darkness Plot: Cisco is taken aback when Gypsy's dad, Breacher, arrives on Earth-1. Breacher quickly develops a strong aversion to Cisco and sets out to track him down. At the same time, Barry unexpectedly encounters his former adversary, Ralph Dibny.