Tinker Tailor Soldier Spy

( 2011) BBC2, 9.30pm John le Carré’s much-admired novel was turned into an acclaimed TV series in 1979, but this star-studded movie version is arguably even better. Gary Oldman (above) delivers an understated performance as an ageing George Smiley, brought out of retirement to find a traitor within MI6. ★★★★★