S1, E5: After exposing Kane's plan to reduce the population of the Ark, Abby and Chancellor Jaha notice a signal from Earth and realize at least some of the 100 must still be alive.

Starring Terry Chen, Lindsey Morgan, Lilah Fitzgerald
S1, E5: After exposing Kane's plan to reduce the population of the Ark, Abby and Chancellor Jaha notice a signal from Earth and realize at least some of the 100 must still be alive.