Tonight - A new episode of Castle.
Tuesday - Agents of S.H.I.E.L.D., New Girl, and Person of Interest return with new episodes, plus Intelligence starring Josh Holloway (aka Sawyer from LOST) premieres on CBS.
Wednesday - American Horror Story: Coven returns with a new episode.
Friday - Helix premieres on Syfy with 2 episodes and limited commercial interruptions.
Sunday - House of Lies returns with its season premiere, and True Detective, starring Woody Harrelson and Matthew McConaughey, has its series premiere on HBO.