sentences:  Initially making a one-off, guest-appearance, Edmondson has since reprised the role of Abra numerous times, stating that he has loved the show since its 1999 conception.He departed from the show for the final time on 9 December 2008, in episode "Sweet Bitter Love".Abra's initial role in the show was that of Third World rights champion and humorous surgical maverick, whose major storylines centered on serious rule breaking (including stealing returned anti-retroviral drugs to send to African countries in need, performing an experimental xenotransplantation without authorisation, and secretly using Holby City Hospital's theatres at night to perform charity operations on African children) as well as his relationship with colleague nurse Kyla Tyson.