'''''Happiness Is A Warm Blanket, Charlie Brown''''' is a 2011 ''{{ComicStrip/Peanuts}}'' hour-long special released by Warner Premiere DirectToVideo, though it has since aired on television.

It adapts and intertwines several comic strip arcs from TheSixties, the overarching one that of Linus trying to give up his security blanket before his grandmother, who is against a boy his age carrying something childish around, arrives for a visit in a week.

It was the first ''Peanuts'' special in five years (the 45th in the total lineup) and the first produced without the leadership of Charles Schulz, Lee Mendelson Productions, or Bill Melendez. Instead, it's produced by WarnerBrothers and Wildbrain, and animated off-shore by YearimProductions in Korea. Eschewing TheMillenniumAgeOfAnimation's tendencies towards computer-assisted animation, it is animated in hand-drawings on paper with hand-painted backgrounds and a piano soundtrack composed by MarkMothersbaugh, meant to evoke the 1960's/'70s animated specials/movies as well as Vince Guaraldi's scores from the earliest specials.

[[PearlsBeforeSwine Stephan Pastis]] co-wrote the script.

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!!This special provides examples of:
* AsTheGoodBookSays
* TheCameo: Character cameos, to be specific. When Snoopy scans the neighborhood in imitiation of a vulture, recurring character Frieda is briefly glimpsed, as are two of the strip's original regulars, Violet and Patty. Early regular Shermy appears in a flashback directly based on the very first ''Peanuts'' strip.
* ContinuityReboot: For the original run of ''{{Peanuts}}'' animated adaptations. Adapting material from the strip that had previously been incorporated into the franchise's SaturdayMorningCartoon and the special ''It's an Adventure, Charlie Brown'' in TheEighties, it focuses on the core cast of the strip as it stood in TheSixties (Charlie Brown, Linus, Lucy, Schroder, Sally, and Snoopy), scales back Snoopy's SpotlightStealingSquad and {{Slapstick}} tendencies, doesn't try to be [[WereStillRelevantDammit "relevant"]], and has sharper humor and a quieter, more melancholy tone than post-''SnoopyComeHome'' adaptations did. It also disregards the strip and specials' ArtEvolution in favor of using the character and background designs from TheSixties, though it keeps the voice acting style and jazz scoring forever linked to the franchise.
* HopelessSuitor: Sally constantly tries to woo her "sweet babboo" Linus, and Lucy tries to do the same to Schroeder.
* TheReasonYouSuckSpeech: At the climax, Linus is finally fed up with his friends' demands of giving up his blanket and proceeds to give them a speech about how everyone is insecure.
* SecurityBlanket: Linus's trope-naming blanket -- what the main story revolves around.
* SliceOfLife: Just like the comic strip it's adapting.