Big Bird is instructed by Betty Lou to drop off Prairie Dawn's cello at the school for a concert assembly. Along the way, he is supposed to follow the signs reading "SCHOOL." However, Big Bird obeys every sign he sees, from stop signs and traffic lights, to billboards and advertisements, he even goes into the Subway Station.
Emily Perl Kingsley is a writer who joined the Sesame Street team in 1970 and has been writing for the show ever since. She is well-known for her essay, Welcome to Holland, about having a child with a disability.