Question: Charlie Brown's All Stars!, is the second prime-time animated TV special based upon the popular comic strip "Peanuts, it was the second such TV special, following A Charlie Brown Christmas is a 1965 animated television special based on the comic strip "Peanuts", by who?

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A Charlie Brown Christmas: A Charlie Brown Christmas is a 1965 animated television special based on the comic strip "Peanuts", by Charles M. Schulz.  Produced by Lee Mendelson and directed by Bill Melendez, the program made its debut on CBS on December 9, 1965.  In the special, lead character Charlie Brown finds himself depressed despite the onset of the cheerful holiday season.  Lucy suggests he direct a neighborhood Christmas play, but his best efforts are ignored and mocked by his peers.  After Linus tells Charlie Brown about the true meaning of Christmas, Charlie Brown cheers up, and the Peanuts gang unites to celebrate the Christmas season.

Snoopy's Reunion: Snoopy's Reunion is the 34th prime-time animated TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz.  It originally aired on the CBS network on May 1, 1991 as part of the short-lived animated anthology series "Toon Nite".  It is the only "Peanuts" TV special to date (and the only animation other than "Snoopy, Come Home") not to have "Charlie Brown" in the title (though the working title was "Those Were the Days, Charlie Brown"), it's also one of the few "Peanuts" specials to feature adults on-screen.

A Charlie Brown Celebration: A Charlie Brown Celebration is the 23rd prime-time animated TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz, who introduced the hour-long special.  It was originally aired on the CBS network on May 24, 1982, and consists of a number of stories adapted from the comic strip.  The special was released for the first time on DVD by Warner Home Video on October 4, 2016, as a bonus special to "Charlie Brown's All-Stars".

You're in Love, Charlie Brown: You're in Love, Charlie Brown is the fourth prime-time animated TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz.  It originally aired on CBS on June 12, 1967.  This was the second non-holiday-oriented "Peanuts" special, following "Charlie Brown's All-Stars".

Charlie Brown's All Stars!: Charlie Brown's All Stars!  is the second prime-time animated TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz.  It was the second such TV special (following "A Charlie Brown Christmas") to be produced by Lee Mendelson and Bill Melendez (who also directed), and originally aired on CBS on June 8, 1966.  It ceased to be aired annually by 1971, and was last shown on CBS on April 3, 1982 (although Disney Channel and Nickelodeon aired reruns of the special in the 1990s).  ABC returned the special to television on April 7, 2009, as a companion to "It's the Easter Beagle, Charlie Brown".

He's a Bully, Charlie Brown: He's a Bully, Charlie Brown is the 44th prime-time animated TV special based on the popular comic strip "Peanuts" by Charles M. Schulz.  It was originally aired on the ABC network on November 20, 2006.  It is the second most recent "Peanuts" television special and is primarily based on a story from the "Peanuts" comic strips originally appearing in April 1995.  "He's a Bully" was an idea Schulz had pitched, and worked on before his death on February 12, 2000.  Schulz's working title for the special was "It's Only Marbles, Charlie Brown".  Animation was produced by Toon-Us-In.

He's Your Dog, Charlie Brown: He's Your Dog, Charlie Brown is the fifth prime-time animated TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz.  It was originally aired on the CBS network on February 14, 1968.  This was also the last "Peanuts" special featuring the majority of the original voice cast from the first "Peanuts" special, "A Charlie Brown Christmas".

You're in the Super Bowl, Charlie Brown: You're in the Super Bowl, Charlie Brown is the 37th prime-time animated TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz.  It first aired on January 18, 1994 on NBC, ending the "Peanuts" specials' 29-year association with CBS; it would also be the last new "Peanuts" special to air on television until "A Charlie Brown Valentine" in 2002.

It's Arbor Day, Charlie Brown: It's Arbor Day, Charlie Brown is the 15th prime-time animated TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz.  It was originally aired on the CBS network on March 16, 1976.  It was released as a bonus feature with the DVD release of "It's the Easter Beagle, Charlie Brown" on March 4, 2003, by Paramount.  It was re-released on DVD under the "remastered" form on February 15, 2008, by Warner Home Video.  It also appeared in remastered form in the DVD boxset "Peanuts 1970's Collection Vol.  2".  It is the first special to feature the new character Rerun Van Pelt, Linus and Lucy's little brother, who had first appeared in the "Peanuts" comic strip in March 1973 .

A Charlie Brown Thanksgiving: A Charlie Brown Thanksgiving is the tenth prime-time animated TV special based upon the popular comic strip "Peanuts," by Charles M. Schulz.  It was originally aired on the CBS network on November 20, 1973, and won an Emmy Award the following year.  Currently, the special is aired every November in prime time on the ABC network.  It was the third holiday special after "A Charlie Brown Christmas" in 1965 and "It's The Great Pumpkin, Charlie Brown" in 1966.

Supporting paragraphs: Charlie Brown's All Stars! A Charlie Brown Christmas
Answer: Charles M. Schulz