Question: On what date did Fox air an episode featuring Robert Underdunk Terwilliger Jr., Ph.D.?

Context paragraphs:
Conan the Mercenary: Conan the Mercenary is a fantasy novel written by American writer Andrew J. Offutt and illustrated by Esteban Maroto featuring Robert E. Howard's sword and sorcery hero Conan the Barbarian, the second volume in a trilogy beginning with "Conan and the Sorcerer" and concluding with "The Sword of Skelos".  It was first published in paperback by Ace Books in 1980, with an official publication date of January 1981.  Ace reprinted the novel in April 1983, and issued a trade paperback edition in 1985.  The first British edition was published by Sphere Books in July 1989.

Conan the Great: Conan the Great is a fantasy novel by American writer Leonard Carpenter, featuring Robert E. Howard's sword and sorcery hero Conan the Barbarian.  It was first published in paperback by Tor Books in April 1990 (the 1989 date appearing on the title page verso is erroneous).  It was reprinted by Tor in August 1997.  It is the only one of the Tor series of Conan novels set in the period of Conan's kingship.

Lawrence Bridges: Bridges began his film career as a production assistant on Francis Ford Coppola's film "The Conversation".  He became an editor of music videos, most notably with director Bob Giraldi for Michael Jackson's "Beat It", and director Joe Pytka for "Dirty Diana", and "The Way You Make Me Feel".  He then founded the post-production company Red Car Inc. and began directing and editing commercials for clients such as Coca-Cola, Nike, Reebok, Honda commercials featuring Lou Reed and Devo, Michelob Beer, among many others.  He cast Brad Pitt in a Pringles commercial, one of the actor's first gigs.  For the Rock the Vote campaign, Bridges directed an ad featuring Robert Downey Jr. and Sarah Jessica Parker.

Krusty Gets Busted: "Krusty Gets Busted" is the twelfth episode of "The Simpsons"<nowiki>'</nowiki> first season.  It originally aired on the Fox network in the United States on April 29, 1990.  The episode was written by Jay Kogen and Wallace Wolodarsky, and directed by Brad Bird.  In the episode, Krusty the Clown is convicted of armed robbery of the Kwik-E-Mart.  Convinced that Krusty has been framed, Bart and Lisa investigate the incident and discover that Krusty's sidekick, Sideshow Bob, was the culprit.

Casualty (series 27): The twenty-seventh series of "Casualty" began airing on BBC One on 18 August 2012 with an episode featuring a disaster at a music festival.  Filming series 26 was completed in April 2012 and filming series 27 began a week later.  The first episode was in the normal formata 50-minute episode.  This season is 44 episodes, increasing from 42 for the previous one.  Viewing figures for the first episode were 5.19 million viewers, continuing to be one of the most watched programmes of a Saturday night.

Sideshow Bob: Robert Underdunk Terwilliger Jr., Ph.D., better known as Sideshow Bob, is a recurring character in the animated television series "The Simpsons."  He is voiced by Kelsey Grammer and first appeared briefly in the episode "The Telltale Head".  Bob is a self-proclaimed genius who is a graduate of Yale University, a member of the Republican Party, and a champion of high culture.  He began his career as a sidekick on Krusty the Clown's television show, but after enduring constant abuse, Bob attempted to frame his employer for armed robbery in "Krusty Gets Busted".  The plan was foiled by Bart Simpson, and Sideshow Bob was sent to prison.

Funeral for a Fiend: "Funeral for a Fiend" is the eighth episode of "The Simpsons"<nowiki>'</nowiki> nineteenth season.  It first aired on the Fox network in the United States on November 25, 2007.  It was written by Michael Price and was directed by Rob Oliver.  It features Kelsey Grammer in his tenth appearance as Sideshow Bob, as well as David Hyde Pierce in his second appearance as Cecil Terwilliger.  John Mahoney makes his first appearance as Dr. Robert Terwilliger, Sr., the father of Bob and Cecil.  Keith Olbermann also makes a guest appearance as himself.

My Long Goodbye: "My Long Goodbye" is the 15th episode of season six of the American comedy-drama "Scrubs".  It was written by Dave Tennant and directed by Victor Nelli, Jr..  It is noteworthy for being the last regular episode featuring Aloma Wright as Laverne Roberts, a regular recurring character since the pilot episode.

Hook, Lion and Sinker: Hook, Lion and Sinker is a Disney animated episode featuring Donald Duck, who appears as a fisherman, and Louie the Mountain Lion.  This is the second episode to feature Louie and the only episode where he is shown to have a son.  The film's plot centers on the lions trying to steal Donald's catch of fish.  The title is a pun on the phrase "hook, line and sinker".

Lore (TV series): Lore is an upcoming American horror television series developed by "Lore" podcast creator Aaron Mahnke with Valhalla Entertainment and Propagate Content.  The series will air on Amazon Video and will follow the podcast's anthology format with each episode featuring a new story.  The show combines documentary footage and cinematic scenes to tell horror stories and their origins.  Season one will include Robert Patrick of , The Unit, and Scorpion fame.  The series is set to premiere on October 13, 2017.

Supporting paragraphs: Krusty Gets Busted Sideshow Bob
Answer: April 29, 1990.