Shop Spirit for Blue’s Clues Costumes so you can look just like your favorite characters! There’s no doubt our officially licensed Blue’s Clues costumes will have you singing your favorite TV song classics! “Here’s the mail… It never fails! It make me want to wag my tail! When it comes I want to wail: MAAAILL!” Whether you want to transform into Josh or trot through the neighborhood on all fours like Blue, our Blue’s Clues Halloween costumes are perfect for every Halloween activity! Remember: Blue skidoo? We can too!