This is the final series of the show; However a Christmas Special was broadcast on BBC One on 25 December 2007.

New subsidiary characters include John Reilly's Mum, Ma Willow, Helen Marsh, Laura Powers, Snack Food Woman and the Frankie Howerd Impressionist.

"The Catherine Tate Show: Christmas Special" was made available on DVD on 26 December 2007, a day following its broadcast.

2014 saw the return of Nan Taylor as she is accompanied by school girl, Alice, who makes frequent visits as part of the 'Young and Old Buddy-Up Foundation', while her grandson, Jamie, is in Africa building a school for orphans and makes regular contact with Nan via Skype.

While Nan, accompanied by Alice, is on a mission to have her kitchen tap fixed, insisting the help of the council, she lands herself in trouble for 'disturbing the peace' and must serve community service.