24 Hours in Police Custody is a British documentary television series shown on Channel 4. It follows Bedfordshire Police as they investigate cases in Luton. Filming took place at Luton Police Station over a six-week period using more than 80 cameras. The first series of seven episodes began on 29 September 2014 with a second series airing from 6 January 2015 onwards. Twenty episodes have been commissioned in total. The fourth series of nine episodes began on 20 April 2016. 24 Hours in Police Custody is made by The Garden Productions, the same production company that makes 24 Hours in A&E.