A Charlie Brown Valentine is the 40th animated television special based on characters from the Charles M. Schulz comic strip Peanuts.

Initially broadcast February 14, 2002 on ABC, A Charlie Brown Valentine was the first new Peanuts special to air on television since 1994's You're in the Super Bowl, Charlie Brown, and the first original special to be televised since Schulz's death in February 2000.

She drops her pencil, which he picks up and notices has teeth marks, making him realize she is human.

Charlie Brown buys a box of chocolates for the Little Red-Haired Girl but hesitates to give it to her directly.

Meanwhile, Sally pursues Linus unsuccessfully, and Marcie expresses affection for Charlie Brown, causing misunderstandings.

Charlie Brown practices giving a valentine to the Little Red-Haired Girl, using Snoopy as a stand-in, but feels unsure.

Charlie Brown attempts to call her but mistakenly reaches Peppermint Patty, who accepts the invitation.

Charlie Brown, disheartened by his lack of success and not receiving a valentine, is comforted when Snoopy brings him one.

The majority of the music score in A Charlie Brown Valentine consists of classic melodies composed by Vince Guaraldi, some tunes which had only been utilized once ("Heartburn Waltz").