Question: Which  "Star Wars" spin-off of 1978, directed by Steve Binder, did Wookiee Planet C make appearances in?
Context: Star Wars: Darth Plagueis is a novel that is part of the "Star Wars" expanded universe.  It was written by James Luceno, and released on January 10, 2012.  The novel covers the later life and machinations of Sith lord Darth Plagueis, over a roughly fifty-year period pre-dating "Star Wars: The Phantom Menace".  The novel details Plagueis' overthrow of his own master Darth Tenebrous, his work as head of a powerful banking consortium on the Muun homeworld, his discovery, recruitment and training of the teenaged Sheev Palpatine of Naboo, and the efforts of Plagueis to undermine the Galactic Republic and ensure the dominance of the Dark Side of the Force.  The novel brings in scores of characters and locations already familiar in the "Star Wars" mythos, as well as introducing many others for the first time.  Events depicted on-screen in "Star Wars Episode I: The Phantom Menace", are re-told in "Star Wars: Darth Plagueis", often from a perspective not shown in the 1999 motion picture. The Millennium Falcon is a spaceship in the "Star Wars" universe commanded at one time by Corellian smuggler Han Solo (Harrison Ford) and his Wookiee first mate, Chewbacca (Peter Mayhew).  The highly modified Corellian Engineering Corporation (CEC) YT-1300 light freighter first appears in "Star Wars" (1977), and subsequently in "The Empire Strikes Back" (1980), "Return of the Jedi" (1983) and "" (2015).  The ship also makes a brief cameo appearance in "" (2005).  Additionally, the "Falcon" appears in a variety of "Star Wars" expanded universe materials, including books, comics, and games; James Luceno's novel "Millennium Falcon" focuses on the titular ship.  It also appears in the 2014 animated film "The Lego Movie" in Lego form, with Billy Dee Williams and Anthony Daniels reprising their roles of Lando Calrissian and C-3PO, with Keith Ferguson voicing Han Solo. "Star Wars" Weekends was a festival held annually at the Disney's Hollywood Studios theme park of the Walt Disney World Resort.  Included with park admission, the event typically occurred on Friday, Saturday and Sunday for four consecutive weekends in May and June and featured appearances by cast and crew members from Disney's "Star Wars" franchise created by George Lucas.  Many original Disney characters also appeared dressed as "Star Wars" characters, such as Jedi Mickey, Minnie as Leia, Donald as a stormtrooper, Goofy as Darth Vader and R2-MK (Mickey Mouse stylized astromech droid).  The festival began in 1997 and had been held in 2000, 2001, and annually from 2003 until 2015.  In November 2015, Disney discontinued the event due to construction of a "Star Wars" themed-land and the larger daily presence "Star Wars" will have in the park onwards. Elvis, starring Elvis Presley, is a United States television special that aired on December 3, 1968 on the NBC television network.  The special is commonly referred to as the ' 68 Comeback Special, because of subsequent developments in Presley's career.  It was directed by Steve Binder and produced by Binder and Bones Howe.  Music from the special was released before the broadcast, on the album "Elvis (NBC TV Special)". Wookieepedia: The "Star Wars" Wiki is an online encyclopedia for information on the "Star Wars" fictional universe—including information on all the films, as well as "Clone Wars", "" and its , "Rebels", the "Star Wars" expanded universe, and any upcoming "Star Wars" material.  It is a specialized wiki created to be an extensive encyclopedia of the "Star Wars" universe with some articles reaching up to 60,000 words, and is written almost entirely from an in-universe perspective.  The name Wookieepedia is a portmanteau of Wookiee and encyclopedia, a pun on the name of "Wikipedia".  The logo, too, is a visual pun showing the incomplete second Death Star as opposed to Wikipedia's incomplete "jigsaw logo". The Star Wars Holiday Special is a 1978 American musical science fiction television film set in the "Star Wars" galaxy.  It stars the first film's main cast while introducing the character Boba Fett, who would appear in later films.  It is one of the first official "Star Wars" spin-offs and was directed by Steve Binder. Kashyyyk ( , or ), also known as Wookiee Planet C, is a planet in the "Star Wars" universe.  It is the tropical, forested home world of the Wookiees.  According to interviews given by "Star Wars" creator George Lucas, the home of the Wookiees was originally intended to be the forest moon of Endor which plays a key role in the plot of the sixth film of the series, "Return of the Jedi".  However, Lucas decided that since the Wookiee Chewbacca was clearly proficient with advanced technology (i.e. he was pilot and mechanic of the spaceship the "Millennium Falcon" and he repaired the damaged droid C-3PO), it would be confusing to show the Wookiees with a primitive, "stone age" culture on Endor.  The Ewoks were created instead to populate the moon and to help fight the Imperial garrison stationed there.  Kashyyyk made appearances in the "Star Wars Holiday Special" and "". Chewbacca ( ), nicknamed "Chewie", is a fictional character in the "Star Wars" franchise.  He is a Wookiee, a tall, hirsute biped and intelligent species from the planet Kashyyyk.  Chewbacca is the loyal friend and first mate of Han Solo, and serves as co-pilot on Solo's spaceship, the "Millennium Falcon".  Within the films of the main saga, Chewbacca is portrayed by Peter Mayhew in the "Star Wars" on Episodes from "III" to "VIII" (Mayhew shares the role with his body double Joonas Suotamo on "" and "").  Suotamo took over the role alone in the upcoming, as yet untitled Han Solo movie.  The character has also appeared on television, books, comics, and video games. Star Wars Trilogy Arcade is an arcade game first released in 1998.  The game is a 3-D rail shooter based on the original trilogy of "Star Wars" films and was released along with the special editions of these films.  Accompanied by the "Star Wars Trilogy" pinball game, it is the second in Sega's "Star Wars Arcade" series; it is preceded by 1993's "Star Wars Arcade" and followed by 2000's "Star Wars Racer Arcade". Wookiees ( ) are a fictional species of intelligent bipeds from the planet Kashyyyk in the "Star Wars" universe.  They are taller, stronger, and hairier than humans and most (if not all) other humanoid species.  The most notable Wookiee is Chewbacca, the copilot of Han Solo, who first appeared in the 1977 film "Star Wars Episode IV: A New Hope".
Answer: Star Wars Holiday Special