Ed, Edd n Eddy (1999)

S3E17 Rock-a-Bye Ed

Following a terrifying nightmare, Ed becomes increasingly anxious around Jonny, leading him to develop an irrational fear of his friend. As Ed's anxiety grows, he struggles to interact with Jonny, who remains oblivious to Ed's sudden change in behavior. This newfound phobia complicates their friendship, prompting Ed to confront his fears and find a way to understand why he feels this way about Jonny.