The Real Ghostbusters (1986)

S02E44 Cry Uncle

Egon's Uncle Cyrus pays a visit, and the Ghostbusters discover he disapproves of Egon's profession. Determined to change his mind, the team sets out to demonstrate the existence of ghosts. However, their efforts take an unexpected turn, leading to chaotic and humorous situations as they try to convince Cyrus of the paranormal.