Tinker Tailor Soldier Spy S1E1 Return to the Circus

Watch Tinker Tailor Soldier Spy Season 1 Episode 1 Online – George Smiley's quiet retirement is interrupted when messengers arrive from London Station and call upon George Smiley to come back into the game. Smiley is brought to Sir Oliver and it is revealed that a highly influential mole has been operating out of the Circus for quite some time.