ON TV: SESAME STREET: ELMO’S PLAYDATE _ This30-minute special, will feature celebrities and Sesame Street friends singing,playing games, and more. The show will focus on celebrating everything fromEMTs, doctors, and other everyday heroes. Lin-Manuel Miranda, Anne Hathaway,and Tracee Ellis Ross are set to appear. (7p ET, HBO, TBS, TNT, CartoonNetwork, Boomerang, and truTV)