Question: What was the name of the fourth episode of the 28 episode long season of an American animated television series?

full_context: Document 1: Regular Show (season 2): The second season of American animated television series "Regular Show" originally aired on Cartoon Network in the United States. The season was 28 episodes long, starting with "Ello Gov'nor", and ending with the season finale "Karaoke Video". The season was storyboarded and written by Sean Szeles, Shion Takeuchi, Benton Connor, Calvin Wong, Paul Scarlata, Kat Morris, J.G. Quintel, Mike Roth, John Infantino, Minty Lewis, Henry Yu, and Dennis Messmer, while being produced by Cartoon Network Studios.
Document 2: Regular Show (season 3): The third season of Emmy winning American animated television series "Regular Show" originally aired on Cartoon Network in the United States. Many of the characters are loosely based on those developed for Quintel's student films at California Institute of the Arts: "The Naïve Man From Lolliland" and "2 in the AM PM". Quintel pitched "Regular Show" for Cartoon Network's Cartoonstitute project, in which the network allowed young artists to create pilots with no notes to possibly be optioned as a show. After being green-lit, Quintel recruited several indie comic book artists to compose the staff of the show, as their style matched close to what he desired for the series. "Regular Show" was picked up by Cartoon Network, who decided to create a twelve-episode first season.
Document 3: South Park (season 2): Season two of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on April 1, 1998. The second season concluded after 18 episodes on January 20, 1999; it remains the longest season of "South Park" to date. While most of the episodes were directed by series creator Trey Parker, Season 2 includes two episodes directed by Eric Stough.
Document 4: Rick and Morty (season 2): The second season of the animated television series "Rick and Morty" originally aired in the United States on Cartoon Network's late night programming block, Adult Swim, which premiered on July 26, 2015 with "A Rickle in Time", and concluded on October 4 with "The Wedding Squanchers". This season aired a total of ten episodes.
Document 5: The Amazing World of Gumball (season 2): The second season of the British-American animated television series "The Amazing World of Gumball", created by Ben Bocquelet, originally aired on Cartoon Network in the United States. The season debuted on August 7, 2012 and ended on December 3, 2013. This season consists of 40 episodes. The season focuses on the misadventures of Gumball Watterson, a blue 12-year-old cat, along with his adopted brother, Darwin, a goldfish. Together, they cause mischief among their family, as well as with the wide array of students at Elmore Junior High.
Document 6: Regular Show (season 4): The fourth season of American animated comedy television series "Regular Show", created by J.G. Quintel, originally aired on Cartoon Network in the United States. The season ran from October 1, 2012 to August 12, 2013. Quintel originally created the series' pilot using characters from his comedy shorts for the cancelled anthology series "The Cartoonstitute". He developed "Regular Show" from his own experiences in college, while several of its main characters originated from his animated shorts "2 in the AM PM" and "The Naïve Man from Lolliland". Following the success of its first season, "Regular Show" was renewed for a fourth season on October 26, 2011.
Document 7: Terror Tales of the Park: "Terror Tales of the Park" is the fourth and fifth episode of "Regular Show"' s third season. It originally aired on Cartoon Network in the United States on October 10, 2011. This is the first episode of their annual Halloween specials and the first half-hour episode of the series.
Document 8: Peeps (Regular Show): "Peeps" is the fourth episode of second season in "Regular Show" for originally aired on January 17, 2011 for Cartoon Network. This episode about when Benson tries to force off on Mordecai and Rigby for being slacking due their work. He tries to plan to use a security cameras on them for slacking.
Document 9: Terror Tales of the Park II: "Terror Tales of the Park II" is the fourth and fifth episode of "Regular Show"<nowiki>'</nowiki> fourth season. It originally aired on Cartoon Network in the United States on October 15, 2012. This is the second episode of their annual Halloween specials and the third half-hour episode of the series overall.
Document 10: Aqua Teen Hunger Force (season 4): The fourth season of the animated television series, "Aqua Teen Hunger Force" originally aired in the United States on Cartoon Network's late night programming block, Adult Swim. Season four started on December 4, 2005 with "Dirtfoot" and ended with "Carl Wash", with a total of thirteen episodes. "Carl Wash" originally made two unannounced stealth airings on December 22, 2006 and January 7, 2007 and later made its official debut on March 25, 2007. "Aqua Teen Hunger Force" is about the surreal adventures and antics of three anthropomorphic fast food items: Master Shake, Frylock, and Meatwad, who live together as roommates and frequently interact with their human next-door neighbor, Carl Brutananadilewski in a suburban neighborhood in South New Jersey.
Document 11: People Who Love Peepholes: "People Who Love Peepholes" is the 179th episode and second episode of the ninth season of the American sitcom "Two and a Half Men." It is also the second part of the two part premiere of the ninth season.
Document 12: Regular Show (season 7): The seventh season of the American animated comedy television series "Regular Show", created by J. G. Quintel, originally aired on Cartoon Network in the United States. Quintel originally created the series' pilot using characters from his comedy shorts for the cancelled anthology series "The Cartoonstitute". He developed "Regular Show" from his own experiences in college, while several of its main characters originated from his animated shorts "The Naïve Man from Lolliland" and "2 in the AM PM". He himself voices one of the main characters in the show, "Mordecai", a blue jay. The series was renewed for a seventh season at the 2014 San Diego Comic-Con International on July 25, 2014. The previous season contained 31 episodes in order to accommodate for the and this season will contain the normal 40 episodes from the previous seasons. However, it was technically 39 episodes because the last episode of the season was used for the five shorts which were broadcast on Cartoon Network in March and April 2016. Therefore, the five shorts took up one production code for the 40 episodes.
Document 13: SpongeBob SquarePants (season 2): The second season of the American animated television series "SpongeBob SquarePants", created by Stephen Hillenburg, aired on Nickelodeon from October 26, 2000, to July 26, 2003, and consists of 20 episodes. The series chronicles the exploits and adventures of the title character and his various friends in the fictional underwater city of Bikini Bottom. The season was executive produced by series creator Hillenburg, who also acted as the showrunner.
Document 14: Regular Show (season 8): The eighth and final season of the American animated comedy television series "Regular Show", created by J. G. Quintel, originally aired on Cartoon Network in the United States. Quintel originally created the series' pilot using characters from his comedy shorts for the cancelled anthology series "The Cartoonstitute". He developed "Regular Show" from his own experiences in college, while several of its main characters originated from his animated shorts "The Naïve Man from Lolliland" and "2 in the AM PM". He himself voice acts one of the main characters in the show, "Mordecai", a blue jay. It was announced on July 7, 2015 and began airing on September 26, 2016 to January 16, 2017 on Cartoon Network in the United States.
Document 15: Regular Show (season 1): The first season of American animated television series "Regular Show" originally aired on Cartoon Network in the United States. Many of the characters are loosely based on those developed for J.G. Quintel's student films at California Institute of the Arts: "The Naïve Man From Lolliland" and "2 in the AM PM". Quintel pitched "Regular Show" for Cartoon Network's Cartoonstitute project, in which the network allowed young artists to create pilots with no notes to possibly be optioned as a show. After being green-lit, Quintel recruited several indie comic book artists, plus some of the crew members he had worked with on "The Marvelous Misadventures of Flapjack", to compose the staff of the show, as their style matched close to what he desired for the series. "Regular Show" was picked up by Cartoon Network, who decided to create a twelve-episode first season.
ground_truth: Peeps