Sherlock Episode Guide

1 :01x01 - A Study in Pink

First aired: Jul/25/2010
Writer: Steven Moffat
Director: Paul McGuigan
Guest star: Rupert Graves (DI Lestrade), Una Stubbs (Mrs. Hudson), Louise Brealey (Molly Hooper), Vinette Robinson (Sgt. Sally Donovan), Tanya Moodie (Ella), Siobhan Hewlett (Helen), William Scott-Masson (Sir Jeffrey Patterson), Victoria Wicks (Margaret Patterson), Sean Young (Gary), James Duncan (Jimmy), Ruth Everett (Political Aide), Syrus Lowe (Political Aide), Katy Maw (Beth Davenport), Ben Green (Reporter), Pradeep Jey (Reporter), Imogen Slaughter (Reporter), David Nellist (Mike Stamford), Louise Breckon-Richards (Jennifer Wilson), Jonathan Aris (Anderson), Lisa McAllister (Anthea), Stanley Townsend (Angelo), Peter Brooke (Taxi Passenger), Philip Davis (Jeff (as Phil Davis)), Mark Gatiss (Mycroft Holmes)

A woman dressed in pink is discovered dead in a derelict house, the fourth in a series of odd suicides. Sherlock and John end up trying to solve cryptic clues and have to deal with a lethal killer in their quest to discover the truth.

2 :01x02 - The Blind Banker

First aired: Aug/01/2010
Writer: Stephen Thompson
Director: Euros Lyn
Guest star: Una Stubbs (Mrs. Hudson), Zoë Telford (Sarah), Louise Brealey (Molly Hooper), Gemma Chan (Soo Lin Yao), Al Weaver (Andy Galbraith), Bertie Carvel (Seb Wilkes), Daniel Percival (Eddie Van Coon), Paul Chequer (DI Dimmock), Howard Coggins (Brian Lukis), Janice Acquah (Museum Director), Jack Bence (Raz), John Macmillan (Community Officer), Olivia Poulet (Amanda), Jacqui Chan (Shopkeeper), Sarah Lam (Opera Singer (General Shan)), Gillian Elisa (Surgery Receptionist), Stefan Pejic (Box Office Manager), Philip Benjamin (German Tourist), Joe Hall (Homeless Guy), Joanna Burnett (Tour Guide), Claire Cage (Eddie’s Neighbour)

Sherlock's idea of a trip to the bank is not quite what Watson was thinking of. Strange ciphers are appearing on walls all over the capital and anyone who sees them is dead within just a few hours. Sherlock and Watson need to decipher the deadly symbols before anyone else ends up becoming a victim.

3 :01x03 - The Great Game

First aired: Aug/08/2010
Writer: Mark Gatiss
Director: Paul McGuigan
Guest star: Rupert Graves (DI Lestrade), Una Stubbs (Mrs. Hudson), Zoë Telford (Sarah), Louise Brealey (Molly Hooper), Andrew Scott (Jim), Vinette Robinson (Sgt. Sally Donovan), Matthew Needham (Bezza), Kemal Sylvester (Tube Guard), San Shella (Alan West (Andrew West)), Deborah Moore (Crying Woman), Lauren Crace (Lucy), Nicholas Gadd (Scared Man), Caroline Trowbridge (Mrs Monkford), Paul Albertson (Mr Ewart), Rita Davies (Blind Lady), Di Botcher (Connie Prince), John Sessions (Kenny Prince), Stefano Braschi (Raoul (Raoul de Santos)), Jeany Spark (Homeless Girl), Alison Lintott (Julie), Haydn Gwynne (Miss Wenceslas), Doug Allen (Joe (Joe Harrison)), John Lebar (Golem), Lynn Farleigh (Professor Cairns), Peter Davison (Planetarium Narrator), Mark Gatiss (Mycroft Holmes)

Sherlock finds himself being invited to take on what looks to be an ordinary case. A young civil servant is discovered on a railway line with his head caved in. At first it looks like an open and shut case, but not everything is as it seems. Sherlock finds himself involved in a terrifying game of cat and mouse as a crazed bomber pits his wits against him.

4 :02x01 - A Scandal in Belgravia

First aired: Jan/01/2012
Writer: Steven Moffat
Director: Paul McGuigan
Guest star: Una Stubbs (Mrs. Hudson), Rupert Graves (DI Lestrade), Mark Gatiss (Mycroft Holmes), Andrew Scott (Jim Moriarty), Louise Brealey (Molly Hooper), Danny Webb (DI Carter), Andrew Havill (The Equerry), Todd Boyce (Neilson), Oona Chaplin (Jeanette), Richard Cunningham (Timid Man), Rosemary Smith (Married Woman), Simon Thorp (Businessman), Anthony Cozens (Geeky Young Man), Munir Khairdin (Creepy Guy), Nathan Harmer (Phil), Luke Newberry (Young Policeman), Darrell Las Quevas (Plummer), Rosalind Halstead (Kate), Peter Pedrero (Archer), Honor Kneafsey (Little Girl), Ilana Kneafsey (Little Girl), Thomasin Rand (Beautiful Woman), Lara Pulver (Irene Adler)

Mycroft convinces Sherlock to recover compromising photographs taken by a dominatrix, Irene Adler. However, Sherlock soon discovers that Irene is his intellectual equal and a battle of wits ensues as he attempts to decipher the code to the camera phone containing the blackmail material.

5 :02x02 - The Hounds of Baskerville

First aired: Jan/08/2012
Writer: Mark Gatiss
Director: Paul McGuigan
Guest star: Una Stubbs (Mrs. Hudson), Rupert Graves (DI Lestrade), Mark Gatiss (Mycroft Holmes), Andrew Scott (Jim Moriarty), Russell Tovey (Henry Knight), Amelia Bullmore (Dr Stapleton), Clive Mantle (Dr Frankland (Dr. Robert Frankland)), Simon Day (Major Barrymore (as Simon Paisley Day)), Sasha Behar (Dr Mortimer (Dr Louise Mortimer)), Will Sharpe (Corporal Lyons), Stephen Wight (Fletcher), Gordon Kennedy (Gary), Kevin Trainor (Billy), Rosalind Knight (Grace), Sam Jones (Young Henry), Chipo Chung (Presenter)

A young man, Henry Knight, comes to Sherlock and John and asks them to investigate the case of his father's murder at the teeth of a gigantic hound. The case takes the duo to Dartmoor and a military base engaged in secret genetic experiments which may be connected to the death of Henry's father.

6 :02x03 - The Reichenbach Fall

First aired: Jan/15/2012
Writer: Stephen Thompson
Director: Toby Haynes
Guest star: Una Stubbs (Mrs. Hudson), Rupert Graves (DI Lestrade), Mark Gatiss (Mycroft Holmes), Andrew Scott (Jim Moriarty), Louise Brealey (Molly Hooper), Katherine Parkinson (Kitty Riley), Vinette Robinson (Sgt. Sally Donovan), Jonathan Aris (Anderson), Tanya Moodie (Ella), Tony Pitts (Chief Superintendant), Jaye Griffiths (Prosecuting Barrister (Miss Sorrell)), Ian Hallard (Defence Barrister (Mr. Crahill)), Malcolm Rennie (Judge), Sydney Wade (Claudia Bruhl), Edward Holtom (Max Bruhl), Paul Leonard (Bank Director), Christopher Hunter (Prison Governor), Tony Way (Prison Warder), Lorraine Hilton (Miss Mackenzie), Samantha-Holly Bennett (Reporter 1), Peter Basham (Reporter 2), Rebecca Noble (Reporter 3), Robert Benfield (Gallery Director), Ifan Huw Dafydd (Clerk of the Court), Michael Mueller (Father), Pano Masti (Assassin), Douglas Wilmer (Diogenes Gent)

Moriarty engineers three of the greatest crimes of the century, but then lets himself be caught. When the jury finds him not guilty on all charges and sets him free, Sherlock realizes that his nemesis is playing for bigger stakes, and that Sherlock's fall is Moriarty's ultimate goal.