Butterfly Main cast, played by Piper Perabo Episode 1x01: Pilot (Aug 13, 2025) Episode 1x02: Daegu (Aug 13, 2025) Episode 1x03: Busan (Aug 13, 2025) Episode 1x04: Pohang (Aug 13, 2025) Episode 1x05: Seoul (Aug 13, 2025) Episode 1x06: Annyeong (Aug 13, 2025)
