THE 100

| E4 9PM

This post-apocalyptic drama has always been a cut above the usual genre fare, so we’re very excited to see it back for a fourth season tonight. Last season, just before Clarke managed to delete ALIE the evil AI (there you go, have a free tongue-twister), ALIE warned Clarke that nuclear plants were melting down all over Earth and would leave the planet uninhabitable within six months. Tonight, Clarke confides in Bellamy about ALIE’S warning…