The New Batman Adventures (1997)

S1E4 Never Fear

Title: Fearless Pursuit Plot: The Scarecrow concocts a groundbreaking toxin that strips away fear entirely from ordinary individuals, causing them to act with extreme recklessness and unpredictability. This newfound bravery turns them into a significant threat, as their wild behavior spirals out of control. The consequences of this toxin force the heroes to confront not just the chaos it creates, but also the moral implications of a world where fear no longer exists. With time running out, they must find a way to reverse the effects before it leads to widespread disaster.