Hawaii Five-O (1968)

S5E16 The Listener

An unhinged tech genius puts the lives of a psychiatrist and his patients at risk by manipulating various electronic devices and gadgets. With his advanced knowledge, he unleashes chaos, turning everyday technology into deadly threats. The psychiatrist must navigate this perilous situation, working to protect his patients and outsmart the maniacal inventor before it's too late. As tension escalates, the true power of technology is brought to light, leaving everyone to question the safety of the devices that surround them.