An interesting premise bogged down with tedious, stop-and-go pacing. The conspiracy thriller vibe doesn't really work without a mystery, and here, a detective investigates the conspiracy after it has already been explained to the audience. For serious?
Capricorn One does have a few good action sequences (like Elliot Gould's out-of-control car) but it's too long and corny overall to be a classic. A forlorn reading of "Fox in Socks" and pointless cameos from Karen Black and Telly Savalas notwithstanding.