Day 12 - An episode you’ve watched more than 5 times
More than five times, hmm, that is quite a lot. I have watched the whole first series of Life on Mars 6 times. The second series only 5 times, so that doesn't count.
You'd think older series would have the advantage, but the only episodes I'm fairly sure can qualify are "Beer" (Blackadder II) and "Goodbyeee" (Blackadder Goes Forth).