The Week in TV: The 70s, The Bridge, Four Rooms, Two Greedy Italians and Smash – video

The Week in TV: The 70s, The Bridge, Four Rooms, Two Greedy Italians and Smash – video. Andrew Collins returns to cast an eye over the week's TV, including BBC documentary series The 70s, Danish import The Bridge, Four Rooms on Channel 4, Two Greedy Italians and Sky Atlantic's latest drama Smash