The following is a list of episodes for British television series Merlin

Merlin (TV series)

Merlin is a British fantasy-adventure television programme by Julian Jones, Jake Michie, Julian Murphy and Johnny Capps. It began broadcasting on BBC One on 20 September 2008. The show is based on the Arthurian legends of the wizard Merlin and his relationship with Prince Arthur but differs from...

. It began its broadcast on BBC One

BBC One

BBC One is the flagship television channel of the British Broadcasting Corporation in the United Kingdom. It was launched on 2 November 1936 as the BBC Television Service, and was the world's first regular television service with a high level of image resolution...

 on 20 September 2008 and as of 26 November 2011, 48 episodes have aired over four series, with the fourth currently airing beginning October 1 2011, and a fifth already commissioned for broadcast in 2012.

It was created by Julian Jones, Jake Michie, Julian Murphy and Johnny Capps based on the Arthurian legends of the mythical wizard Merlin

Merlin

Merlin is a legendary figure best known as the wizard featured in the Arthurian legend. The standard depiction of the character first appears in Geoffrey of Monmouth's Historia Regum Britanniae, written c. 1136, and is based on an amalgamation of previous historical and legendary figures...

 and his relationship with Prince Arthur

King Arthur

King Arthur is a legendary British leader of the late 5th and early 6th centuries, who, according to Medieval histories and romances, led the defence of Britain against Saxon invaders in the early 6th century. The details of Arthur's story are mainly composed of folklore and literary invention, and...

, but differs from traditional versions of the legend in many ways, especially the characters. It is produced by independent production company Shine Limited

Shine Limited

Shine Limited is a British media production company with offices in London and Manchester....

.

American broadcaster NBC

NBC

The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...

 began airing the programme on 21 June 2009, but after a decline in viewership, the show moved to the cable network

Cable network

A cable channel is a television channel available via cable television. Such channels are usually also available via satellite television, including direct broadcast satellite providers such as DirecTV, Dish Network and BSkyB...

 Syfy

Syfy

Syfy , formerly known as the Sci-Fi Channel and SCI FI, is an American cable television channel featuring science fiction, supernatural, fantasy, reality, paranormal, wrestling, and horror programming. Launched on September 24, 1992, it is part of the entertainment conglomerate NBCUniversal, a...

, where it began broadcast of the second series on 2 April 2010.

The first three series are available on DVD in the UK and the first two in North America, with the third season scheduled to be released January 17, 2012. The first three series are available on Netflix Streaming in North America.

Series overview

Series		Episodes	Originally aired		DVD DVD A DVD is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. DVDs offer higher storage capacity than Compact Discs while having the same dimensions....  release date
			Series premiere	Series finale	UK Volume 1	UK Volume 2	UK Complete	United States
	1	13	20 September 2008	13 December 2008	24 November 2008	9 February 2009	5 October 2009.	20 April 2010
	2	13	19 September 2009	19 December 2009	23 November 2009	8 February 2010	8 February 2010	18 January 2011
	3	13	11 September 2010	4 December 2010	15 November 2010	24 January 2011	24 January 2011	17 January 2012
	4	13	1 October 2011	24 December 2011	28 November 2011	23 January 2012	23 January 2012

Series 5

Merlin has been commissioned for a fifth series with filming scheduled to begin in March 2012.

Children in Need

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Title	Directed by	Written by	Original air date	UK viewers (million)

Secrets and Magic

A documentary series created by the BBC called Secrets and Magic was produced to accompany episodes of the second series. In a similar fashion to Doctor Who Confidential

Doctor Who Confidential

Doctor Who Confidential is a documentary series created by the British Broadcasting Corporation to complement the revival of the long-running British science fiction television series Doctor Who. Each episode was broadcast on BBC Three on Saturdays, immediately after the broadcast of the weekly...

, the series looks at the production of each episode of the drama, featuring interviews with cast and crew as well as on-set footage.
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#	Title	Original air date	Production code	Webcast link

Colin & Bradley's Merlin Quest

Although Merlin Secrets and Magic was not recommissioned for a second series, Colin & Bradley's Merlin Quest was produced to accompany Series 3 of Merlin. Colin Morgan

Colin Morgan

Colin Morgan is an actor from Armagh, Northern Ireland, best known for playing the title character in the BBC TV series Merlin. Morgan went to Integrated College Dungannon and, during his third year, won the 'Denis Rooney Associates' Cup awarded to the best overall student of that academic year...

 and Bradley James, who play Merlin and Arthur in Merlin, appear in a weekly series of short (usually 2 to 4 minutes) online videos posted on the official site of Merlin. In each episode the actors have to complete various challenges and tasks, including questions and games with Merlin bloopers shown regularly. Colin & Bradley's Merlin Quest was produced by Ian Smith with Luke Baker as assistant producer.