Bewitched (1964)

S1E18 The Cat's Meow

While escorting an alluring client to Chicago, Darrin starts to exhibit odd behavior as he becomes convinced that her feline companion is none other than Samantha transformed into a cat. As he grapples with his suspicions, the situation becomes increasingly complicated, blurring the lines between reality and magic, and testing his loyalty to both Samantha and the enchanting woman by his side.