Season 3 episode 3 filming in Cardiff. SETLOCK. Look at the HAIR! Is it curlier? Looks curlier to me! AHH! I feel like the woman in Meet the Robinsons who invented the caffeine patches! Which are uncannily similar to nicotine patches! It's a three patch problem! Which reminds me that I just ate three cookies and that's probably why my thinking is running a race against itself. Setlock just makes it worse.