It has had mixed reviews from the critics, some wondering about the extreme lengths that the plot seems to go to. The Metro, The Telegraph and The Independent liked it, The Daily Mail didn't.
What did you think? Let us know here. If you missed it, there are further chances to see the episode tonight and tomorrow - see our TV listings page for details.
Also today, Sky have released the synopsis for episode 4 which has allowed us to complete our Series 3 episode guide. They have also announced that a special documentary, 'Mad Dogs: Behind the Madness' will air on Tuesday 25th June at 10pm (following directly on from the series finale).