Question: Bill Barretta has produced two of the Muppets television films, including a 2002 NBC television film that was written by Tom Martin and Jim Lewis, and was directed by who?
Context: William Paul "Bill" Barretta (born June 19, 1964) is an American puppeteer and producer who has been performing with The Muppets since 1991, when he puppeteered the body of Sinclair family patriarch, Earl Sinclair on "Dinosaurs".  He later developed several new characters on "Muppets Tonight", including Pepe the King Prawn, Johnny Fiama, Big Mean Carl and Bobo the Bear.  Along with having his own Muppet characters, Barretta has taken over several of Jim Henson's roles, such as Dr. Teeth, Rowlf the Dog, Mahna Mahna and Swedish Chef, and briefly took over Jerry Nelson's role of Lew Zealand.  His film debut as a principal puppeteer was in 1996's "Muppet Treasure Island" as Clueless Morgan.  In addition, Barretta has produced two of the Muppets' television films, "It's a Very Merry Muppet Christmas Movie" (2002) and "The Muppets' Wizard of Oz" (2005).  Barretta also provides additional voices on "Kim Possible".  His most recent film performance was in Disney's "Muppets Most Wanted", where he also served as a co-producer.  Barretta also served as an executive producer on the ABC series, "The Muppets". "Man or Muppet" is a song from Walt Disney Pictures' 2011 musical film "The Muppets", written by singer-songwriter Bret McKenzie.  Performed by the film's main characters, Gary (Jason Segel) and Walter (Peter Linz), the song also features Bill Barretta and Jim Parsons portraying the contrasting identities of Gary and Walter, respectively.  The song was released by Walt Disney Records on November 22, 2011, as part of the film's original soundtrack. It's A Very Merry Muppet Christmas Movie is a 2002 NBC television film, directed by Kirk Thatcher and written by Tom Martin and Jim Lewis and stars Whoopi Goldberg, David Arquette, Joan Cusack, the cast of "Scrubs" and The Muppets.  The plot centers on Kermit the Frog who, after losing all hope for saving the Muppet Theatre, is assisted by an angel who shows him a world in which he had never been born.  The film is an homage to Frank Capra's 1946 film, "It's a Wonderful Life", which has a similar plot. The Muppets' Wizard of Oz is a 2005 American-Canadian fantasy television film directed by Kirk Thatcher and starring Ashanti and The Muppets with supporting roles done by Jeffrey Tambor, Quentin Tarantino, David Alan Grier, and Queen Latifah.  The film was produced by Bill Barretta and written by Debra Frank, Steve L. Hayes, Tom Martin, and Adam F. Goldberg based on a story by Frank and Hayes. A Muppets Christmas: Letters to Santa is a 2008 NBC television special, directed by Kirk Thatcher and produced by The Muppets Studio, featuring The Muppets in a Christmas mission to personally deliver three letters to Santa, accidentally diverted by Gonzo, to the North Pole.  The special, shot in Brooklyn and Midtown Manhattan, was released by Walt Disney Studios Home Entertainment on DVD. Muppets Most Wanted is a 2014 American musical comedy film and the eighth theatrical film featuring the Muppets.  Directed by James Bobin and written by Bobin and Nicholas Stoller, the film is a sequel to 2011's "The Muppets" and stars Ricky Gervais, Ty Burrell, and Tina Fey, as well as Muppet performers Steve Whitmire, Eric Jacobson, Dave Goelz, Bill Barretta, David Rudman, Matt Vogel, and Peter Linz.  In the film, the Muppets find themselves unwittingly involved in an international crime caper while on tour in Europe. The Muppets (stylized as the muppets.)  is an American television comedy series that originally aired on ABC from September 22, 2015 to March 1, 2016.  Co-created by Bill Prady and Bob Kushell, the series is produced by ABC Studios and The Muppets Studio, with Randall Einhorn and Muppet performer Bill Barretta serving as executive producers alongside Prady and Kushell.  On May 12, 2016, ABC cancelled the series after one season. Jim Lewis (born 1955) is an American writer known for his work with The Jim Henson Company and The Muppets.  Lewis first worked with the Muppets as the editor of "Muppet Magazine".  The book "Before You Leap", which was credited to Kermit the Frog, was written by Lewis.  The Disney Channel program "" was produced by him.  Jim Lewis grew up in Boonton, New Jersey and attended Boonton High School. The Happytime Murders is an upcoming American puppetry crime-comedy film directed by Brian Henson and written by Todd Berger with revisions by Erich & Jon Hoeber with further uncredited touch up work by Melissa McCarthy.  The film stars McCarthy, Bill Barretta, Maya Rudolph, and Elizabeth Banks.  It is scheduled to be released on August 17, 2018 by STXfilms. The Muppets is a 2011 American musical comedy film and the seventh theatrical film featuring the Muppets.  The film is directed by James Bobin, written by Jason Segel and Nicholas Stoller, produced by David Hoberman and Todd Lieberman, and stars Segel, Amy Adams, Chris Cooper and Rashida Jones, as well as Muppet performers Steve Whitmire, Eric Jacobson, Dave Goelz, Bill Barretta, David Rudman, Matt Vogel, and Peter Linz.  Bret McKenzie served as music supervisor, writing four of the film's five original songs, and Christophe Beck composed the film's score.  In "The Muppets", devoted fan Walter, his brother Gary, and Gary's girlfriend Mary help Kermit the Frog reunite the disbanded Muppets, as they must raise $10 million to save the Muppet Theater from Tex Richman, a businessman who plans to demolish the studio to drill for oil.
Answer: Kirk Thatcher