Over its long run, the show has transitioned through three major trauma centers: 24 Hours in A&E Series 1 | NUH

: Each episode focuses on a single 24-hour period, intercutting fly-on-the-wall footage with intimate retrospective interviews with staff, patients, and their relatives.

: A recurring tension-builder in the show is the ringing of the emergency "red phone," signaling the arrival of a critical trauma patient.

is a critically acclaimed British documentary series that provides an unfiltered look into the daily operations of some of the United Kingdom's busiest accident and emergency departments. Launched in 2011 on Channel 4 , it has become one of the network's most popular factual programs, winning the Royal Television Society Award for Best Documentary Series in 2012. Production & Format

The series is known for its "fixed-rig" filming style, using up to mounted on hospital walls to capture real-time drama without intrusive film crews.