This black t-shirt features a vibrant graphic design perfect for fans of science fiction. The design showcases a blue TARDIS-like structure alongside the playful text "KNOCK KNOCK WHO'S THERE? DOCTOR". Crafted from a soft-looking fabric, likely cotton or a cotton blend, this tee offers both comfort and style. Ideal for casual wear, conventions, or as a fun gift for sci-fi enthusiasts. Show off your love for iconic time-traveling adventures with this eye-catching and conversation-starting t-shirt.