"Here Come the 123s" is an educational children's television special produced by Sesame Workshop. It focuses on teaching young viewers the basics of counting and numbers through engaging songs, animations, and characters from the beloved Sesame Street series. The program aims to make learning numbers fun and interactive for preschoolers. The special features various segments that introduce different numerical concepts, such as counting objects and recognizing numbers. With the help of familiar characters like Elmo and Cookie Monster, children are encouraged to participate and practice their counting skills, fostering early math development in a playful environment.