Question: 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, and was the last "Peanuts" special featuring the majority of the original voice cast from the first "Peanuts" special, which 1965 animated television special based on the comic strip "Peanuts", and produced by Lee Mendelson and directed by Bill Melendez?

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It's a Mystery, Charlie Brown: It's a Mystery, Charlie Brown is the 11th prime-time animated television special based upon the popular comic strip "Peanuts," by Charles M. Schulz.  It was originally aired on the CBS network on February 1, 1974.  This was the first Charlie Brown television special that Bill Melendez did not direct, but he still served as producer and provided the voices of Snoopy and Woodstock.

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.

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".

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.

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.

What a Nightmare, Charlie Brown!: What a Nightmare, Charlie Brown!  is the 17th primetime animated TV special based upon the popular comic strip "Peanuts", created by Charles M. Schulz.  It was originally aired on Thursday, February 23, 1978, at 8:00 P.M. ET/PT on CBS.  The special is unusual in that Snoopy and Charlie Brown are the only members of the "Peanuts" cast to appear in it.  The plot is similar to that of Jack London's "Call of the Wild".  This was the first special Bill Melendez directed since 1973's "A Charlie Brown Thanksgiving".

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.

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 .

Happiness Is a Warm Blanket, Charlie Brown: Happiness Is a Warm Blanket, Charlie Brown is a "Peanuts" television special that was released in 2011.  The special is the 45th "Peanuts" special and the first produced without Bill Melendez on the production team.  It is also the first special without the direct involvement of "Peanuts" creator Charles M. Schulz, Lee Mendelson Productions or Bill Melendez Productions (it is unknown, though, if Lee Mendelson also worked on this special).  In addition, it is the first "Peanuts" special produced in part under Warner Bros.  Television, which holds the home media distribution rights to the Peanuts specials.

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".

Supporting paragraphs: He's Your Dog, Charlie Brown A Charlie Brown Christmas
Answer: A Charlie Brown Christmas