When does He's Your Dog, Charlie Brown return?

He's Your Dog, Charlie Brown is the fifth prime-time animated TV special based upon the comic strip Peanuts. It was originally broadcast on the CBS network on February 14, 1968. Snoopy's persistent mischief is angering the other kids in the neighborhood. Charlie Brown decides to send a reluctant Snoopy back to his birthplace, the Daisy Hill Puppy Farm, for obedience training.