The telescript was transcribed from Schulz's strips.
Linus's line about big sisters being "the crabgrass on the lawn of life" was originally Snoopy's opinion of cats in the comic strip.
Many of the scenes of Rerun on the back of his mother's bike were also used in "It's Arbor Day, Charlie Brown" and some episodes of "The Charlie Brown and Snoopy Show."
"Christmastime is Here," the song from the original holiday special, 'A Charlie Brown Christmas,' plays as background music.