The Avengers (1961)

S5E17 Return of the Cybernauts

Title: Revenge of the Cybernauts Plot: Clement Armstrong's vengeful sibling devises a lethal scheme targeting Steed and Mrs. Peel, holding them accountable for his brother's demise caused by the lethal Cybernauts he engineered. As the duo navigates this perilous confrontation, they must outsmart both the relentless machines and the mastermind behind them to survive the sinister plot that has unfolded.