Question: "A Dark Knight: The Fear Reaper" is the second episode of the fourth season, of the American television series "Gotham", based on characters, from which company?

full_context: Document 1: Gotham (TV series): Gotham is an American crime drama television series developed by Bruno Heller, based on characters published by DC Comics and appearing in the Batman franchise, primarily those of James Gordon and Bruce Wayne. The series stars Ben McKenzie as the young Gordon, while Heller executive-produces, along with Danny Cannon, who also directed the pilot.
Document 2: Wrath of the Villains: Prisoners: "Wrath of the Villains: Prisoners" is the sixteenth episode of the second season, and 38th episode overall from the Fox series "Gotham". The episode was written by executive producer Danny Cannon and directed by Scott White. It was first broadcast on March 28, 2016. In the episode, Gordon is sent to prison after being framed by Nygma into the murder of Theo Galavan and Carl Pinkney. Meanwhile, Cobblepot continues to bond with his father while his stepmother and step-siblings plan to kill him. This episode also has the fewest cast members as only Ben McKenzie, Donal Logue, Robin Lord Taylor and Cory Michael Smith appear.
Document 3: Bruce Wayne (Gotham): Bruce Wayne is a fictional character appearing in the Fox series "Gotham". The Bruce Wayne character is the alter-ego of the superhero Batman, created by Bill Finger and Bob Kane, as "Gotham" portrays Bruce's teenage years and transition into adapting the Batman persona in later years. "Gotham" marks the second time Batman was adapted for television after the 1960s Batman series, though the lead character is James Gordon. Bruce is portrayed by David Mazouz.
Document 4: List of Gotham episodes: "Gotham" is an American crime-drama television series developed by Bruno Heller, based on characters appearing in and published by DC Comics in their Batman franchise, primarily those of James Gordon and Bruce Wayne. The series stars Ben McKenzie as the young Gordon, while Heller executive produces along with Danny Cannon, who also directed the pilot. As originally conceived, the series would have served as a straightforward story of Gordon's early days on the Gotham City Police Department.
Document 5: A Dark Knight: The Fear Reaper: "A Dark Knight: The Fear Reaper" is the second episode of the fourth season and 68th episode overall from the Fox series "Gotham". The show is itself based on the characters created by DC Comics set in the Batman mythology. The episode was written by executive producer Danny Cannon and directed by Louis Shaw Milito. It was first broadcast on September 28, 2017.
Document 6: A Dark Knight: Pax Penguina: "A Dark Knight: Pax Penguina" is the first episode of the fourth season and 67th episode overall from the Fox series "Gotham". The show is itself based on the characters created by DC Comics set in the Batman mythology. This is the first episode with the new subtitle "A Dark Knight". The episode was written by executive producer John Stephens and directed by Danny Cannon. It was first broadcast on September 21, 2017.
Document 7: Wrath of the Villains: Pinewood: "Wrath of the Villains: Pinewood" is the eighteenth episode of the second season, and 40th episode overall from the Fox series "Gotham". The episode was written by co-executive producer Robert Hull and Megan Mostyn-Brown and directed by executive producer John Stephens in his first "Gotham" episode directed. It was first broadcast on April 18, 2016. In the episode, Bruce and Alfred set to find out information about a program called Pinewood Farms which had something to do with Thomas Wayne's death and involvement while Gordon sets out to find The Lady and Dr. Strange continues his experiments.
Document 8: Rise of the Villains: Knock, Knock: "Rise of the Villains: Knock, Knock" is the second episode of the second season and 24th episode overall from the FOX series "Gotham". The episode was written by Ken Woodruff and directed by Rob Bailey. It was first broadcast in September 28, 2015 in FOX. In this episode, Gordon is assigned in investigating the Arkham escapees, now calling themselves "the Maniax". Meanwhile, Bruce is getting closer to the truth about his father's office.
Document 9: Selina Kyle (Gotham): "Selina Kyle" is the second episode of the television series "Gotham". It premiered on FOX on September 29, 2014 and was written by series developer Bruno Heller and directed by Danny Cannon. In the episode, Gordon (Benjamin McKenzie) and Bullock (Donal Logue) investigate a child trafficking ring in Gotham City while Cobblepot (Robin Lord Taylor) begins to make his way back to Gotham, leaving victims in his path.
Document 10: The Flash (season 4): The fourth season of the American television series "The Flash", which is based on the DC Comics character Barry Allen / Flash, follows a crime scene investigator with superhuman speed who fights criminals, including others who have also gained superhuman abilities. It is set in the Arrowverse, sharing continuity with the other television series of the universe, and is a spin-off of "Arrow". The season is produced by Berlanti Productions, Warner Bros. Television, and DC Entertainment, with Andrew Kreisberg and Todd Helbing serving as showrunners.
Document 11: List of Gotham characters: "Gotham" is an American crime television series developed by Bruno Heller, based on characters appearing in and published by DC Comics in their Batman franchise, primarily those of James Gordon and Bruce Wayne. The series premiered in the United States on September 22, 2014 on Fox television network. The series stars Ben McKenzie as the young Gordon, while Heller executive produces along with Danny Cannon, who also directed the pilot.
Document 12: Wrath of the Villains: Mr. Freeze: "Wrath of the Villains: Mr. Freeze" is the twelfth episode of the second season, 34th episode overall and the mid-season premiere from the FOX series "Gotham". This episode is also the first episode to use the subtitle "Wrath of the Villains". The episode was written by Ken Woodruff and directed by Nick Copus. It was first broadcast in February 29, 2016 in FOX. In the episode, having just killed Galavan, Gordon returns to the GCPD, who's currently investigating a killing spree of a man who freezes people. Meanwhile, Cobblepot pays the consequences of killing Galavan.
Document 13: Gotham (season 4): The fourth season of the American television series "Gotham", based on characters from DC Comics related to the Batman franchise, revolves around the characters of James Gordon and Bruce Wayne. The season is produced by Primrose Hill Productions, DC Entertainment, and Warner Bros. Television, with Bruno Heller, Danny Cannon, and John Stephens serving as executive producers. The first half of the season will be inspired by the comic book story "", and the second half by "". The subtitle for the first half of the season is "A Dark Knight".
Document 14: Arkham (Gotham): "Arkham" is the fourth episode of the television series "Gotham". It premiered on FOX on October 13, 2014 and was written by Ken Woodruff and directed by TJ Scott. In the episode, detectives Gordon (Ben McKenzie) and Bullock (Donal Logue) try to save the council of Gotham, which is threatened after a dispute for the known Arkham Plan is in progress. Meanwhile, Cobblepot (Robin Lord Taylor) indulges more in Maroni's mafia.
Document 15: Mad City: Better to Reign in Hell...: "Mad City: Better to Reign in Hell..." is the first episode of the third season, and 45th episode overall from the Fox series "Gotham". This is also the first episode in the series with the subtitle "Mad City". The episode was written by executive producer John Stephens and directed by Danny Cannon. It was first broadcast on September 19, 2016. In the episode, after seeing that Lee has been moving on with another man, Gordon leaves her. 6 months later, he has been working as a bounty hunter dedicated to catch Indian Hills' monsters. After an offer of a million dollars from Cobblepot for Fish Mooney, Gordon sets out to find her as she is leading the monsters. Meanwhile, Bruce and Alfred return after laying low and prepare to confront Wayne Enterprises about their role in Indian Hills. The episode's title is a reference to John Milton's poem, "Paradise Lost".
ground_truth: DC Comics