The Ribos Operation happened on 1978-09-23.
Doctor Who - 1963 The Ribos Operation Part Three 16-3 is rated/received certificates of: UK:PG (DVD rating)
Doctor Who - 1963 The Ribos Operation Part Four 16-4 is rated/received certificates of: UK:PG (DVD rating)
Doctor Who - 1963 The Ribos Operation Part One 16-1 is rated/received certificates of: UK:PG (DVD rating)
Romana first appeared in the Doctor Who episode "The Ribos Operation," which aired in 1978 during the show's 16th season. She was portrayed by actress Mary Tamm.
Operation Askari happened in 1983.
Operation Python happened in 1971.
Operation Nicety happened in 1942.
Operation Albion happened in 1917.
Operation Colombo happened in 1975.
Operation Batman happened in 1942.
Operation Protea happened in 1981.
Operation Harling happened in 1942.