Moving to the BBC, she briefly worked as a story editor before being promoted to producer, creating the science fiction anthology television series "Out of the Unknown". Leaving "Out of the Unknown" after two seasons, Shubik co-produced "The Wednesday Play", overseeing its transition into "Play for Today" in 1970. She left the BBC in 1976, and subsequently produced the first season of "Rumpole of the Bailey" for Thames Television before joining Granada Television where she produced "Staying On" and devised "The Jewel in the Crown". She has written film scripts and a novel, "The War Guest".