It's a Brit-centric opening, as Melissa uncovers the truth behind BBC's Sherlock and Michael debriefs the first weekend of the 2012 Summer Olympics. Plus! Fox celebrates 50 years of dead Marilyn Monroe, Charlie Sheen's new show gets 100 episodes, The Hobbit becomes a trilogy, the long awaited trailer for Doctor Who: Series 7, and live from the set of Arrested Development: Season 4.