Dark Matter
S1, E26: The Guardians enlist the entire Green Lantern Corp to take down Aya before she travels back in time and erases all organic life. However, a revelation about Aya may prevent them from doing so.

S1, E26: The Guardians enlist the entire Green Lantern Corp to take down Aya before she travels back in time and erases all organic life. However, a revelation about Aya may prevent them from doing so.