

TV series
In 1934, four brilliant Cambridge students are recruited to spy for Russia. Fueled by youthful idealism, a passion for social justice and a talent for lying, they take huge personal risks to pass Britain's biggest secrets to Moscow.
Episodes
Series1983
Series1982
Series2012
Series1976
Series2013
Series1989
Series2022
Series2025
Series2007
Series1981
Series1975
Series1988
Series1960
Series2019
Series2010
Series2019
Series2021
Series2021