For more details of forthcoming episodes, go to the broadcasting times page and click on the relevant episode in the table.
Spencer and Jan left Holby A&E before the series began. Nikki, fully recovered, returned to work at the beginning of the series. Lara had been suspended following the death of David Collier, and locum SHO Heather Lincoln (Nicole Faraday) was covering for Lara.
Harry Harper had to use his skills at the scene of a helicopter crash in the first episode. New security guard Ryan Johnson (Russell Boulter) started work at Holby A&E in the third episode.
While the Christmas party was going on, Josh got into a car containing a mentally unstable man who had just lost his wife; the man crashed the car into the ambulance shelter outside A&E, destroying the entrance.
Jack and Tony's dad Eddie turned up in Holby, and started to lead Jack into trouble: Jack was brought into A&E himself after a robbery went wrong. When a man injured in the robbery recognised Jack, Eddie said they had to run for it, so Jack left the country with his father.
Duffy was swept off her feet by Ryan Johnson, and they planned to get married and start a business together, but shortly after Duffy had left her job, Ryan disappeared, taking all the money out of their joint account. He returned, however, and Duffy accepted his offer of a new life in New Zealand.
Tony, Colette and Dillon will all be leaving Casualty before the next series.