Euston Films is a British film and television production company. It was originally a subsidiary company of Thames Television, and operated from 1971 to 1994, producing various series for Thames, which were screened nationally on the ITV network. The most famous Euston Films productions include Van der Valk (1972–1973, 1977, 1991-1992), The Sweeney (1975-1976, 1978), Minder (1979–1980, 1982-1985, 1988-1989, 1991, 1993-1994), Quatermass (1979), Danger UXB (1979), and Reilly: Ace of Spies (1983). The Sweeney series had two feature film spin-offs, Sweeney and Sweeney 2, which were also produced by Euston.