Episode 4618 - A Very Cookie Mother's Day HBO Premiere: Saturday May 7, 2016 PBS Premiere: Monday May 8, 2017 Cookie Monster wants to give his mom the perfect Mother's Day gift, but first he needs to learn how to control himself from eating it. Also featuring Cookie Monster's Smart Cookies-The Snickerdoodle and Elmo's World-Family. Brought to you by the letter M and the number 19. This episode features an all-new street story. If you saw "A Very Cookie Mother's Day" please like this post and share your thoughts below.