BBC1 premieres the 18th episode of Terry Nation’s science fiction series Blake’s 7. Jane Sherwin guest stars. This episode is the beginning of a story arc running through the remainder of the second season, concerning Blake’s search for the Federation’s central control facility; to up the stakes, the character of Gan (played by David Jackson) is killed off, though the first choice of series creator Terry Nation would have been the popular character of Vila. 
