Most of the Peanuts specials are filled with nostalgia, lightheartedness and laughs. Because of that, I wasn't expecting THIS special to go this direction.
One of Linus' clasmates, Janice, is diagnosed with cancer (to be more specific, leukemia). When she's well enough to go back to school, Linus is the most supportive. He even straightens up a boy who bullies Janice (and the boy apologizes shortly after).
This was definitely one of the darkest, and most emotional, Peanuts specials to be broadcast. But don't worry, it ends happy. At the end of the special, Janice has successfully recovered from leukemia, and she happily swings at the playground with the other kids.
They did a fantastic job introducing cancer to kids and families. Ever since it's original airing on NBC (I think), critics and viewers have praised this special for addressing cancer in a straightforward way, but still being gentle enough for kids to learn about the disease.
If you or someone you know is battling cancer, now's the perfect time to watch this. You'll feel so much better.