Counting down to Mad Men's return

Excited about the return of Mad Men? The show's US broadcaster, AMC, certainly is – and to prove it, it has launched an online countdown clock . Season five launches in 67 days, six hours, five minutes and 24, 23, 22… Anyway, it's back on AMC on Sunday 25 March . And UK viewers will get their first glimpse on Sky Atlantic within a week .