Question: Which 2014 animated musical television special starred the actor who also played Frank Costanza on "Seinfeld"?

Context articles: The Magician of Samarkand
Jerry Stiller
The Haunted Mask (TV special)
Dr. Seuss on the Loose
The Lorax (TV special)
Pontoffel Pock, Where Are You?
The Cat in the Hat (TV special)
The Hobbit (1977 film)
George Costanza
How Murray Saved Christmas

The Magician of Samarkand is a children's book by Alan Temperley which was made into a special three-part television program in 2006 for the British series "Jackanory".
 The television special starred Ben Kingsley and was produced and directed by Nick Willing.
 The special was nominated for a BAFTA Children's Award in the category of drama.
Gerald Isaac Stiller (born June 8, 1927) is an American comedian and actor.
 He spent many years in the comedy team Stiller and Meara with his wife, Anne Meara.
 He later played Frank Costanza on the NBC sitcom "Seinfeld" and Arthur Spooner on the CBS comedy series "The King of Queens".
 Stiller and Meara are the parents of actor Ben Stiller, with whom Stiller co-starred in the films "Zoolander", "Heavyweights", "Hot Pursuit", "The Heartbreak Kid" and "Zoolander 2".
 Stiller is known for his angry, yelling acting style.
The Haunted Mask is a two-part horror television special that first aired on October 27, 1995, based on R. L. Stine's book of the same name.
 It follows Carly Beth, a timid girl who buys a Halloween mask that would not come off.
 José Rivera wrote the TV special, and Timothy Bond served as director.
 The special starred Kathryn Long as Carly Beth, Kathryn Short as Sabrina, George Davis as Steve and Amos Crawley as Chuck, and by March 12, 1996, it was released on VHS.
Dr. Seuss on the Loose (titled Green Eggs and Ham and Other Stories for the sing-a-long videocasette release and the deluxe edition releases) is an animated musical television special, first airing on CBS on October 15, 1973, and hosted by The Cat in the Hat who appears in bridging sequences where he introduced animated adaptations of Dr. Seuss children's stories "The Sneetches", "The Zax" and "Green Eggs and Ham".
 Allan Sherman reprised his role as the voice of The Cat in the Hat from the 1971 television special.
 This was the final project Sherman worked on before his death.
The Lorax is a 1972 animated musical television special produced by DePatie-Freleng Enterprises.
 It first aired on CBS on February 14, 1972 based on the book of the same name by Dr. Seuss.
Pontoffel Pock, Where Are You?
 (titled Pontoffel Pock & His Magic Piano for the sing-a-long videocasette release) is an animated musical television special written by Dr. Seuss, directed by Gerard Baldwin, produced by DePatie-Freleng Enterprises, completed in 1979 and first aired on ABC on May 2, 1980.
 This was one of the final cartoons done at DePatie-Freleng as the studio would be sold to Marvel Comics and become Marvel Productions in 1981.
 The songs are by Joe Raposo.
The Cat in the Hat is an American animated musical television special first aired on CBS on March 10, 1971, based on the 1957 Dr. Seuss children's book of the same name, and produced by DePatie-Freleng Enterprises.
 With voices by Allan Sherman and prolific vocal performer Daws Butler, this half-hour special is a loose adaptation with added musical sequences.
The Hobbit is a 1977 animated musical television special created by Rankin/Bass, a studio known for their holiday specials, and animated by Topcraft, a precursor to Studio Ghibli, using lyrics adapted from the book.
 The film is an adaptation of the 1937 book of the same name by J. R. R. Tolkien and was first broadcast on NBC in the United States on Sunday, November 27, 1977.
George Louis Costanza is a character in the American television sitcom "Seinfeld" (1989–1998), played by Jason Alexander.
 He has variously been described as a "brain-damaged, short, stocky, slow-witted, ugly, old, bald man" (by Elaine Benes and Costanza himself) and "Lord of the Idiots" (by Costanza himself).
 George and Jerry were junior high school friends and remained friends afterwards.
 He is friends with Jerry Seinfeld, Cosmo Kramer, and Elaine Benes.
 George appears in every episode except "The Pen" (third season).
How Murray Saved Christmas is a 2014 animated musical television special, directed by Peter Avanzino and written by Mike Reiss.
 The voice actors include Jerry Stiller, Sean Hayes, Kevin Michael Richardson, Jason Alexander, John Ratzenberger and Dennis Haysbert.