Terrorists disguised as plumbers infiltrate a school for the blind, hiding in plain sight as they wait for the perfect moment to strike at a high-profile politician during a parade.
Aired: Apr 14, 1973A chance encounter with a charismatic Englishman abroad sets off a whirlwind ...
Aired: Apr 21, 1973In the next episode, a hidden secret is unearthed in the cellar of Ray and Pe...
3. Someone at the Top of the Stairs
Aired: Apr 28, 1973In the next episode, a curious couple settles into a historic estate, where t...
Aired: May 5, 1973The arrival of an enigmatic stranger in London sets off a chain of curiosity,...
Aired: May 12, 1973A notorious serial killer, who has escaped from custody, is outwitted by a cu...
Aired: May 19, 1973Betty Drew, suffering from amnesia, enters a police station and confesses to ...
Aired: May 26, 1973The Nelsons' new life in the village begins to take shape as Doctor Bruce est...
Aired: Jun 2, 1973A mysterious threat terrorizes the town's young women, prompting a resourcefu...
Aired: Jun 9, 1973Terrorists disguised as plumbers infiltrate a school for the blind, hiding in...
Aired: Jun 16, 1973In the next episode, a widower's heart is stirred again by a captivating woma...
