Elmo, the red Muppet so closely associated with “Sesame Street,” has enjoyed a long and fruitful partnership with his fish, Dorothy, and his pal, Mr. Noodle. Soon, he will be extending his ...

Sesame Street is returning to HBO for its 47th season in January with a reimagined “Elmo’s World” segment and ... as he uses his imagination to dive into the topic of the day.