The Real Ghostbusters (1986)

S3E4 The Boogeyman Is Back

Following a near-fatal plunge from the World Trade Center, Egon finds himself overwhelmed by his own anxieties. His escalating fears provide the perfect opportunity for the Boogeyman to break free from his dark domain. As Egon grapples with his inner demons, the sinister entity exploits his terror, re-emerging into the world.