The Persuaders! (1971)

S1E24 Someone Waiting

Title: A Deadly Pursuit Plot: Brett returns to the exhilarating world of race car driving, but his comeback quickly turns perilous when an unknown adversary emerges, determined to eliminate him to ensure he quits for good. As the stakes rise and danger lurks in every turn, Brett must navigate not only the racetrack but also the sinister motives of his unseen enemy.