Romana and Sharrel's opposition regarding the activation and control of the Nova device's destructive capabilities

The Doctor struggles to activate the Nova device as its countdown halts and resets, allowing Movellans to overpower him and Romana. With the Doctor detained Sharrel and Agella argue over …

Romana races to the Nova device as Sharrel crawls toward its trigger, desperate to unleash a weapon that could destroy the galaxy. Their struggle is sudden and physical—she knocks him …