Teen Big Brother: The Experiment also known as Teen Big Brother is a United Kingdom reality television spin off of the show Big Brother where a group of teenagers lived in the Big Brother House for ten days. It was pre-recorded on 30 July - 8 August 2003 shortly after the fourth series of Big Brother ended and was aired on Channel 4 over five nights on 13–17 October 2003. The program consisted of five episodes, each approximately 60 minutes long including adverts, with Elaine Hackett serving as executive producer for Endemol UK Productions. Channel 4 announced the series on 22 May 2003 for the broadcaster's educational division 4Learning with the aim of transmitting the series in late 2003 or early 2004. The series was controversial as some felt the broadcaster was exploiting the teenagers