Answer: thegreatpumpkin

AnswerCrossword Clue
THEGREATPUMPKIN...in autumn
THEGREATPUMPKINLinus believed it would rise out of its patch
THEGREATPUMPKINStrip's apparition
THEGREATPUMPKIN"Peanuts" figure ... or some fabulous fall soup?
THEGREATPUMPKINHalloween tradition in Peanuts