When does Cookie Monster's Bake Sale: Back to School return?

Cookie Monster is a blue Muppet character on the PBS/HBO children's television show Sesame Street. He is best known for his voracious appetite and his famous eating catchphrases, such as "Me want cookie!" He is known to have a mother, a younger sister, and a cousin, identical in design, who do not like cookies. He also has a father, who appeared in a Monsterpiece Theater sketch promoting energy conservation, water conservation and environmentalism.