Show off your love for the Doctor with this fun t-shirt! This tee features a classic knock-knock joke setup: "Knock, Knock, Knock. Who's there? Doctor. Doctor Who? YES." The design is printed in black and blue on a comfortable black fabric. Perfect for casual wear, conventions, or gifting to a fellow Doctor Who enthusiast. Let everyone know you're a fan with this witty and eye-catching shirt. Its classic cut makes it suitable for any occasion, and the soft fabric will keep you comfortable all day long.
