Blue's Clues & You!/Season 7

Mailbox: so you got to see the post office. Josh: wow mailbox. You love the post office. Josh & Mailbox: all those letters. Josh: (laughing) wow mailbox. You did it love the post office. Mailbox: thanks. Well. Here's your letter. Josh: thanks mailbox Mailbox: bye-bye. Blue: (barks bye-bye)