Scenes from 3743 (season 29)\r \r Scenes from 3743 (season 29) Sesame Street - Big Bird & Snuffy Mail a Letter Scenes from 3743 (season 29) Scenes from episode 3465 (season 27).later .\r \r \r \r Sesame Street - Big Bird & Snuffy Mail a Letter Scenes from 3743 (season 29)