"Game Changer" is the nineteenth episode of the first season of "Modern Family" and the nineteenth episode of the series overall.
 It premiered on ABC on March 31, 2010.
 The episode's teleplay was written by Joe Lawson & Alex Herschlag from a story by Vanessa McCarthy & Joe Lawson.
 It was directed by Kevin Sullivan.
"Mom and Pop Art" is the nineteenth episode of "The Simpsons"' tenth season.
 It was first aired on the Fox network in the United States on April 11, 1999.
 In this episode, Homer inadvertently becomes a well-praised outsider artist after his failed attempts to build a barbecue pit.
 His exhibit goes to the Louvre, and after Mr. Burns buys his artwork, Homer becomes a success.
 However, after his new art appears in the "Art in America" show, Homer's artwork is criticized for being too repetitive of his first piece.
 After his recent failure, Homer tries to devise something groundbreaking, after hearing of Christo's art.
"I'm Goin' to Praiseland" is the nineteenth episode of the twelfth season of the American animated sitcom "The Simpsons".
 It originally aired on the Fox network in the United States on May 6, 2001.
 In the episode, Ned Flanders builds a Christian-themed amusement park to commemorate his dead wife, Maude Flanders.
 The episode marked the return of the character Rachel Jordan (voiced by Shawn Colvin), who had previously appeared in the season eleven episode "Alone Again, Natura-Diddily".
 Since airing, "I'm Goin' to Praiseland" has received mixed reviews from critics.
"Mona Leaves-a" is the nineteenth episode of "The Simpsons"<nowiki>'</nowiki> nineteenth season.
 It originally aired on the Fox network in the United States on May 11, 2008.
 The episode features the death of Homer's mother, Mona Simpson.
 Homer is reunited with his mother, Mona, but is not willing to forgive her for all the times she left him as a child.
 When she dies, a guilt-ridden Homer attempts to make it up to her by fulfilling her final wishes.
 It was written by Joel H. Cohen and directed by Mike B. Anderson and Ralph Sosa.
 Glenn Close makes her third appearance as Mona Simpson, and Lance Armstrong has a cameo as himself.
"The Itchy & Scratchy & Poochie Show" is the fourteenth episode in the eighth season of the American animated television series "The Simpsons".
 It originally aired on the Fox network in the United States on February 9, 1997.
 In the episode, "The Itchy & Scratchy Show" attempts to regain viewers by introducing a new character named Poochie, whose voice is provided by Homer.
 The episode is largely self-referential and satirizes the world of television production, fans of "The Simpsons", and the series itself.
 It was written by David X. Cohen and directed by Steven Dean Moore.
 Alex Rocco is a credited guest voice as Roger Meyers, Jr. for the third and final time (having previously provided the character's voice in "Itchy & Scratchy & Marge" and "The Day the Violence Died"); Phil Hartman also guest stars as Troy McClure.
 Poochie would become a minor recurring character and Comic Book Guy's catchphrase, "Worst episode ever", is introduced in this episode.
 With "The Itchy & Scratchy & Poochie Show", the show's 167th episode, "The Simpsons" surpassed "The Flintstones" in the number of episodes produced for a prime-time animated series.
"A Fish Called Selma" is the nineteenth episode of "The Simpsons"<nowiki>'</nowiki> seventh season.
 It originally aired on the Fox network in the United States on March 24, 1996.
 The episode features Troy McClure, who attempts to resurrect his acting career by marrying Selma Bouvier.
 Show runners Bill Oakley and Josh Weinstein were fans of Phil Hartman and wished to produce an episode that focused on his character McClure.
 Freelance writer Jack Barth wrote the episode, and Mark Kirkland directed it.
Troy McClure is a fictional character from the American animated sitcom "The Simpsons".
 He was voiced by Phil Hartman and first appeared in the second season episode "Homer vs. Lisa and the 8th Commandment".
 McClure is usually shown doing low-level work, such as hosting infomercials and educational films.
 He appears as the main character in "A Fish Called Selma", in which he marries Selma Bouvier to aid his failing career and quash rumors about his personal life.
 McClure also 'hosts' "The Simpsons 138th Episode Spectacular" and "The Simpsons Spin-Off Showcase".
"Lisa's Wedding" is the 19th episode of "The Simpsons"<nowiki>'</nowiki> sixth season.
 It originally aired on the Fox network in the United States on March 19, 1995.
 The plot focuses on Lisa visiting a carnival fortune teller and learning about her future love.
 It was written by Greg Daniels and directed by Jim Reardon.
 Mandy Patinkin guest stars as Hugh Parkfield and Phil Hartman guest stars as Troy McClure.
 The episode won an Emmy Award in 1995 for Outstanding Animated Program, becoming the third episode of "The Simpsons" to win the award.
"Kill the Alligator and Run" is the nineteenth episode of the eleventh season of the American animated television sitcom "The Simpsons".
 It originally aired on the Fox network in the United States on April 30, 2000.
 In the episode, Homer suffers from a nervous breakdown after taking a quiz that reveals he only has three years left to live.
 To calm himself down, he and the rest of the Simpson family go to Florida for vacation.
 There, they end up in the middle of a raucous spring break.
 Homer joins in on the party and ends up getting himself and his family in trouble for killing the state's beloved mascot – an alligator named Captain Jack.
 The Simpsons run from the law and take jobs at a small restaurant while hiding from the police.
"This Little Wiggy" is the eighteenth episode of "The Simpsons"<nowiki>'</nowiki> ninth season.
 It originally aired on the Fox network in the United States on March 22, 1998.
 It was written by Dan Greaney and directed by Neil Affleck.
 The episode sees Ralph Wiggum becoming friends with Bart.
 Phil Hartman guest stars as recurring character Troy McClure.

Question: Troy McClure appears as the main character in the nineteenth episode of what season of the simpsons?
Answer: seventh season