Absolutely Fabulous: 20th Anniversary (also known as Ab Fab at 20) is a set of three special episodes of the British television sitcom Absolutely Fabulous. It was broadcast on BBC One between 25 December 2011 and 23 July 2012 to commemorate the 20th anniversary of the series, which debuted in 1992.

The fifth and final series of the British television sitcom Absolutely Fabulous premiered on BBC One on 17 October 2003 and concluded on 24 December 2003, consisting of eight episodes. A Christmas special, "White Box", followed the fifth series and was broadcast in 2004. Though no further series have followed, three specials were broadcast several years later to mark the show's 20th anniversary for 2012.

The fourth series of British television sitcom Absolutely Fabulous premiered on BBC One on 31 August 2001 and concluded on 5 October 2001, consisting of six episodes. Originally, Absolutely Fabulous was to end with the third series, then two-part special "The Last Shout" was created to serve as an official finale to the series. However, in 2000, Jennifer Saunders created and wrote a television pilot for a proposed new series, Mirrorball, in which she intended to reunite the cast of Absolutely Fabulous in new roles and a different plot. Saunders, along with Joanna Lumley, Julia Sawalha, Jane Horrocks and June Whitfield, returned for the pilot, but the series was never commissioned. Nevertheless, Mirrorball inspired Saunders to revive Absolutely Fabulous and a fourth series was produced. A Christmas special, "Gay" (titled "Absolutely Fabulous in New York" in the United States), was produced following the fourth series and was broadcast in 2002.

The third series of the British television sitcom Absolutely Fabulous premiered on BBC One on 30 March 1995 and concluded on 11 May 1995, consisting of six episodes. The third series was originally intended to be the final series of Absolutely Fabulous. However, the following year, Jennifer Saunders decided to write a two-part special titled "The Last Shout", serving as an official finale to the third series. Two additional series were eventually produced. Guest stars for this series include Rebecca Front, Kate O'Mara, Celia Imrie, Naomi Campbell, Helen Lederer, Kathy Burke and Ruby Wax.

The second series of the British television sitcom Absolutely Fabulous premiered on BBC One on 27 January 1994 and concluded on 10 March 1994, consisting of six episodes.

The first series of the British television sitcom Absolutely Fabulous premiered on BBC Two on 12 November 1992 and concluded on 17 December 1992, consisting of six episodes. The sitcom was created and written by Jennifer Saunders, who starred in the title role of Edina Monsoon, Edina is nicknamed 'Eddie' by her best friend, Patsy Stone, a magazine editor who constantly takes advantage of Edina by living the life of luxury in Edina's extravagant home. Edina is a twice-divorced mother of two. Her eldest child, a son, Serge, left home many years before in order to escape his mother's clutches. Her long-suffering daughter, Saffron 'Saffy', whom Edina is reliant upon, is a sixth form student and remains at home. The series also includes Edina's sweet-natured-but-slightly-batty mother, whom Edina sees as an interfering burden, and Edina's dim-witted assistant Bubble.

Prior to the third series, a dramatized behind-the-scenes special was broadcast on 6 January 1995. The special was titled 'How to Be Absolutely Fabulous' and featured Jennifer Saunders as she enters the BBC studio in which the woman at reception is unaware of who Saunders is. Unable to convince the receptionist that she is in fact Edina for the series, Saunders, along with the camera crew runs up to the Absolutely Fabulous office, despite being refused access from the receptionist. Once in the office, Saunders talks about the origins of the series. The special features clips from the series. A second special, released in 1998 and titled 'Absolutely Fabulous: A Life' features Edina and her mother as she and a camera crew are filming the story of Edina's life in a documentary. The setting for the documentary is in the charity shop in which her mother works. Edina talks about her surroundings in the charity shop.