Happiness Is a Warm Blanket, Charlie Brown is a Peanuts television special that was released in 2011. The special is the 45th Peanuts special and the first produced without Bill Melendez on the production team. This was the first "Peanuts" special in HD and the only one produced during the 2010s along with the first special broadcast on Fox. Linus takes on the biggest challenge of his life when he is pushed to his limits after he learns Grandma is coming to visit and plans on ridding him of his childish security blanket.