Casualty (TV series) staff and patients of the hospital's Accident and Emergency Department. The show has very few ties to its sister programme "Holby City", which began as a spin-off from "Casualty" in 1999, set in the same hospital. "Casualty" is shown weekly on a Saturday evening, which has been its time slot since the early 1990s. "Casualty"s exterior shots were mainly filmed outside the Ashley Down Centre in Bristol from 1986 until 2002 when they moved to the centre of Bristol for just over nine years. In 2011, "Casualty" celebrated its 25th anniversary; following that, for the Bristol finale, they filmed the
Characters of Holby City the hospital. When Tash's father visits the hospital, she discovers he has Alzheimer's disease. She tells him she is a lesbian, and he refuses to accept her identity. When Tash's ex-girlfriend arrives, terminally ill from complications arising from AIDS, Tash decides to join her on a world tour, and departs from Holby. Ayesha Antoine plays Rachel Baptiste, who appears from series eleven, episode six as a staff nurse on the general surgery ward, Keller. Antoine had formerly appeared in "Holby City" series seven, episode five, as Mel Allen, the relative of a patient. She described her character upon her introduction