Sesame Street / Season 21 S21E115 Episode 2730 - Oscar writes to Grundgetta Sesame Street Netflix Share WhatsApp Telegram X (Twitter) Facebook Copy link Aired 13340days : 22hours : 00min : 36sec Friday, April 20, 1990 The exact release time has not been announced. Synopsis This episode has no synopsis. Previous episode S21E112 Episode 2727 - A day at the library Next episode S21E116 Episode 2733 - Taking a trip to Africa Data from TVmaze (CC BY-SA). Updated October 28, 2026, 19:31.