Under the Dome Guest cast, played by Samantha Mathis Episode 1x01: Pilot (Jun 24, 2013) Episode 1x02: The Fire (Jul 1, 2013) Episode 1x04: Outbreak (Jul 15, 2013) Episode 1x05: Blue on Blue (Jul 22, 2013) Episode 1x06: The Endless Thirst (Jul 29, 2013) Episode 1x07: Imperfect Circles (Aug 5, 2013) Episode 1x13: Curtains (Sep 16, 2013)
