Dick Powell's Zane Grey Theatre (1956)

S4E18 The Highlanders (4)

Ben successfully reunites with the Doctor, Polly, and Kirsty, and they set out to rescue the Highlanders from Trask's vessel before Grey can sell them into bondage. United in their mission, the group devises a plan to liberate the captured Highlanders and thwart Grey's nefarious intentions.