Homeland Channel 4, 9pm
New series. The multiaward-winning US drama makes a welcome return to our screens for its fourth season. The last time we saw Carrie Mathison, she was pregnant with the late Brody's baby and about to take up a new post overseas. When we see her again, she's been promoted to the position of CIA Chief of Station in Kabul and is about to make the biggest decision of her career - she's received some valuable intelligence about a high value target from her counterpart in Islamabad. Should Carrie trust the information and act on it, or wait for events to unfold?