Under the Dome Guest cast, played by Beth Broderick Episode 1x01: Pilot (Jun 24, 2013) Episode 1x02: The Fire (Jul 1, 2013) Episode 1x03: Manhunt (Jul 8, 2013) Episode 1x05: Blue on Blue (Jul 22, 2013) Episode 1x06: The Endless Thirst (Jul 29, 2013)