This section outlines changes across the 23 series of Most Haunted, with detailed look at major changes through the programme's original run (series 1-14), broadcast on Living and a brief series overviews and filming location lists if the revival series (15-23), broadcast on Really.

Following a change in the format of Most Haunted before Series 16 began filming, it was decided by the production team to no longer have mediums in the show. Four episodes into the series, new episodes became known as New Most Haunted in television listings and on-screen.Most Haunted new episodes, live events, and new extra content, including outtakes and behind the scenes material, will continue to be produced, and these will now air on the official Most Haunted YouTube channel to an international audience. Presented by Yvette Fielding, the first lady of the paranormal, together with Karl Beattie and the Most Haunted team, you will be taken on the darkest, most terrifying journey of your life. Most Haunted Extra became a 30-minute programme, broadcast for half an hour after the main show on LivingTV. O'Keeffe later reported that he had been grossly misquoted and misrepresented in the article, and produced a response outlining his version of the show based on his observations and findings, saying he had exposed Derek Acorah and not the entirety of Most Haunted. The seventh series began on 1 November 2005 yet only ran for six weeks, shortened from an intended nine.

Presented by Yvette Fielding, the programme investigates purported paranormal activity in a range of locations, mainly within the United Kingdom. The core investigation team are supported by some of the production crew, who appear in the show and are generally involved with the investigation whilst performing their normal crew role.Any information provided by the medium from claimed interactions with spirits is then analyzed by the historian to see if it can be verified. LivingTV then labelled the 2008 as Series 10 up until their final series which they regarded as series 14.

Metro UK, "60 SECONDS: Yvette Fielding" by James Ellis, The UK Metro, 30 October 2006, retrieved 2 November 2006.deciding to concentrate on importing American paranormal programming rather than the British-based Most Haunted.

episodes, but does include the Midsummer Murders series as Series 10 and As-Live episodes from the revival series broadcast on Really. Series 15 started on 12 May 2010, with an investigation into Berkeley Castle and continue to show every Wednesday on Living at 22:00 BST. Producer and Director Karl Beattie clarified in a Tweet that he considers Midsummer Murders a Most Haunted series and the first series broadcast by Really as Series 16. The series was broadcast every Saturday night and ran for 8 weeks, with each episode lasting two hours.

Lesley Smith replaced Richard Felix as the resident historian on the recorded shows and travelled with the team to each location.