Lost in Space (1965)
S1E22 The Challenge
Episode Overview
An alien boy arrives on Priplanis to prove his royal lineage. Meanwhile, Will finds himself unexpectedly caught in a deadly duel, unaware that his father is in the dark about the situation. When John's true motives are revealed, he steps in to take his son's place in the contest, while the alien ruler takes his own son's spot in the fight.
HD
S1