Tonight's Best TV

A Daily Guide to Notable Shows

9:00 Fox

Cosmos: A Spacetime Odyssey

Geochemist Clair Patterson calculated the age of the earth and publicized the dangers of lead. Something to think about next time you're about to mention how awesome you are at beer pong.

9:00 HBO

Game of Thrones

Tywin extends an olive branch. Into someone's skull?

10:00 Lifetime Season Premiere

Devious Maids

Eva Longoria proves even the dreams of hot, famous executive producers can come true by directing this episode.