Episode 4 (series 32)

"Episode Four" is the 1052nd episode of Casualty and the fourth episode of the 32nd series. It will be followed by "Blues and Twos". Salt will likely make her return as Sam in this episode, as it's already been confirmed that she's returning on 16 September.

Synopsis
Sam, having retrained as a paramedic, returns to Holby, but immediately requests a transfer.

Trivia

 * This episode features the return of Sam Nicholls. Sam originally appeared on the show from October 2011 to December 2013 as a registrar in the ED.