I don't know if this was a repeat or not but I saw this fascinating program a few nights ago on BBC 4:
I hadn't realised beforehand that the original quantum entanglement experiments had a theoretical observational loophole which this experiment countered by generating two sets of random data generated from the light from two quasars, eliminating the previous problem by the fact that the randomness was generated millions of years before the entangled particles!
BBC Four - Einstein's Quantum Riddle
The story of quantum entanglement, perhaps the strangest concept in science.
www.bbc.co.uk