Question: Who created the American sitcom which  "Nothing Good Happens After 2 A.M." is the 18th episode in the first season of

Context paragraphs:
Under Control (The Vampire Diaries): "Under Control" is the 18th episode of the first season of The CW television series, "The Vampire Diaries" and the 18th episode of the series overall.  It originally aired on April 15, 2010.  The episode was written by Barbie Kligman and Andrew Chambliss and directed by David Von Ancken.

The Wow Factor: "The Wow Factor" is the 18th episode of the fourth season of the American sitcom "Modern Family", and the series' 90th episode overall.  It was aired on March 27, 2013.  The episode was written by Ben Karlin and it was directed by Steven Levitan.

Children Will Listen: "Children Will Listen" is the 18th episode of the ABC television series, "Desperate Housewives".  The episode was the 18th episode for the show's first season.  The episode was written by Kevin Murphy and was directed by Larry Shaw.  It originally aired on Sunday April 10, 2005.

Send Out the Clowns: "Send Out the Clowns" is the 18th episode of the third season of the American sitcom "Modern Family", and the series' 66th episode overall.  It aired on March 14, 2012.  The episode was written by Steven Levitan, Jeffrey Richman & Bill Wrubel and directed by Steven Levitan.

The Price of Free and Fair Elections: "The Price of Free and Fair Elections" is the 18th episode and season finale of the third season of the American political thriller television series "Scandal", and is the 47th overall episode.  It aired on April 17, 2014 on ABC in the United States.  The episode was written by showrunner Shonda Rhimes and executive producer Mark Wilding and directed by executive producer Tom Verica.  The season finale was originally supposed to be the 22nd episode, but because of the show's lead Kerry Washington's pregnancy, the episode count was trimmed by ABC by four episodes, leading the season finale to be the 18th episode.

How I Met Your Mother (season 1): The first season of "How I Met Your Mother", an American sitcom created by Carter Bays and Craig Thomas, premiered on CBS in the United States on September 19, 2005 and concluded on May 15, 2006.  The season was directed by Pamela Fryman and produced by Bays & Thomas Productions and 20th Century Fox Television.  It consists of 22 episodes, each running approximately 22 minutes in length.

Nothing Good Happens After 2 A.M.: "Nothing Good Happens After 2 A.M." is the 18th episode in the first season of the television series "How I Met Your Mother".  It originally aired on April 10, 2006.

Las Vegas (Modern Family): "Las Vegas" is the 18th episode of the fifth season of the American sitcom "Modern Family", and the series' 114th overall.  It was aired on March 26, 2014.  The episode was written by Paul Corrigan, Brad Walsh, and Bill Wrubel and directed by Gail Mancuso.  The episode is notable for its overlapping story arcs between the characters as they each seek to find their ideal experiences in Las Vegas.  This was the first episode of the show to feature only the parent cast.

Angry Birds Stella (TV series): Angry Birds Stella is a Finnish computer-animated TV series based on the game "Angry Birds Stella" that was produced by Rovio Entertainment.  The first episode, "A Fork in the Friendship", aired on ToonsTV in November 1, 2014.  The series recounts the tale of Stella, along with her friends Luca, Willow, Poppy and Dahlia, as they work their way against Gale, the former friend of Stella, that is the queen of the pigs in Golden Island.  The first season focuses on Gale trying to hunt for the Golden Egg, but, fails as seen in the final episode of season 1, "To The Bitter End".  The second season focuses on Gale returning and trying to hunt for the Golden Egg again, and she succeeded as seen in "The Golden Queen", the 9th episode of season 2.  Also, Dahlia, one of the birds, tries searching for the egg as well for an experiment, but this time, she fails, as seen in "It's Mine!" , the 6th episode of season 2.  Soon enough, the birds realize how dangerous this egg can be, as seen in "Premonition", the 11th episode in season 2, which in when Gale with the Golden Egg, anything that is touched with it, turns to gold.  However, when that happens, another thing turns to stone, the opposite of gold, which causes nature, and even worse, food to be turned to stone as well.  Now, it is up to the Stella gang to save Golden Island before it is too late.  They do succeed, as seen in "You Asked For It", the 13th and final episode of season 2 and the series finale of "Angry Birds Stella", where after a long awful night, Stella and her gang launch the Golden Egg out of the island, never to be seen again.  Gale does not mind because when she saw the Golden Egg after she broke out of the gold in the episode, she ran away, back into her castle.

Sacrifice (The Secret Circle): "Sacrifice" is the 18th episode of the first season of the CW television series "The Secret Circle", and the series' 18th episode overall.  It was aired on March 29, 2012.  The episode was written by David Ehrman and it was directed by Nick Copus.

Supporting paragraphs: Nothing Good Happens After 2 A.M. How I Met Your Mother (season 1)
Answer: Carter Bays and Craig Thomas