Plot: Series 23 of British television drama The Bill was broadcast from 3 January until 28 December 2007. The series consisted of 92 episodes, and saw the conclusion of two long running-storylines, the disappearance of schoolgirl Amy Tennant and DC Zain Nadir’s undercover drug sting, prior to the return of single-themed episodes, removing much of the serialiased format formally introduced in 2002 under producer Paul Marquess; episode titles also started appearing on screen again from Episode 20 onwards