Back at the Barnyard is a Nickelodeon computer-animated television series that is a spin-off from the 2006 film, "Barnyard".
 The series premiered on September 29, 2007 on Nickelodeon.
 The show is produced by Omation Animation Studio, in association with Nickelodeon Animation Studios.
 The last episode aired on November 12, 2011 on Nicktoons.
Go, Diego, Go!
 is an American animated educational interactive children's television program that originally aired on the Nickelodeon children's cable network in the United States and produced by Nickelodeon Animation Studio.
 Created and executive produced by Chris Gifford and Valerie Walsh, the series is a spin-off of "Dora the Explorer" and follows Dora's cousin Diego, an 8-year-old boy whose adventures frequently involve rescuing animals and protecting their environment.
Dora the Explorer is an American educational animated TV series created by Chris Gifford, Valerie Walsh, and Eric Weiner.
 "Dora the Explorer" became a regular series in 2000.
 The show is carried on the Nickelodeon cable television network, including the associated Nick Jr. channel.
 It aired on CBS until September 2006.
 A Spanish-dubbed version first aired as part of a "Nick en español" block on NBC Universal-owned Telemundo through September 2006; since April 2008, this version of the program has been carried on Univision as part of the "Planeta U" block.
 The series is co-produced by Nickelodeon Productions and Nickelodeon Animation Studio.
 "Dora the Explorer" is one of the longest-running shows of Nick Jr.
 During the sixth season, the show became the Nick Jr. series with the most episodes, surpassing "Blue's Clues" with 143 episodes, having 144 after it had completed broadcasting on television.
 It won a Peabody Award in 2003 "for outstanding efforts in making learning a pleasurable experience for pre-schoolers."
 It ended on June 5, 2014 after 8 seasons and 172 episodes.
Teenage Mutant Ninja Turtles (also known as Tales of the Teenage Mutant Ninja Turtles for its fifth season) is an American 3D rendered computer animated television series.
 It premiered on Nickelodeon in the United States on September 29, 2012.
 It is the third animated "Teenage Mutant Ninja Turtles" television series.
 It is produced by Nickelodeon Animation Studio.
 Composer Sebastian Evans provides the show's score.
Nickelodeon Animated Shorts Program is a variety project that was launched in 2012, where people make animated shorts at Nickelodeon Animation Studio for shows to send to Nickelodeon.
 Since this project was launched, the TV series : "Breadwinners" it started in 2014, along with "The Loud House" in 2016.
Nickelodeon Animation Podcast is a 39-40 minute Podcast series posted on YouTube, iTunes and SoundCloud, which dedicated to the animation works of Nickelodeon Animation Studio, through animators, voice actors, and others.
 the podcast gives voice to creators and talent from inside and outside of Nickelodeon who brought to life some of the most innovative, hilarious, and heart-tugging animation in the history of television and animation.
Oh Yeah!
 Cartoons is an American animation showcase that appeared on the Nickelodeon cable channel, who which was created and guided by Fred Seibert, former Creative Director of MTV Networks and President of Hanna-Barbera.
 Produced by Nickelodeon Animation Studio and Frederator Incorporated, it ran as part of Nickelodeon's Nicktoons lineup, and in its second season, was hosted by Kenan Thompson of "All That" and "Kenan & Kel" fame; then later by Josh Server, also from "All That", for its third season.
 Bill Burnett composed the show's theme music.
The Loud House is an American animated television series created by animator and comic illustrator Chris Savino for Nickelodeon.
 The series revolves around the chaotic everyday life of a boy named Lincoln Loud, who is the middle child and only son in a large family of eleven children.
 It is set in a fictional town in Michigan called Royal Woods which is based on Chris Savino's hometown of Royal Oak.
Nickelodeon Animation Studio, also known in Burbank as Nickelodeon Studios Burbank, is an American animation studio owned and operated by Viacom through its television network Nickelodeon.
 The studio produces many of the network's most popular animated series, including "SpongeBob SquarePants", "The Fairly OddParents", "Teenage Mutant Ninja Turtles", "Harvey Beaks", "The Loud House", "Bunsen Is a Beast", and "Welcome to the Wayne".
 It also produces programs for Nicktoons Network, Nick at Nite, TeenNick, and Nick Jr. as well.
"The Backyardigans" is a Canadian–American CGI-animated musical TV series created by Janice Burgess.
 It is a co-production of animation studio Nelvana and Nickelodeon Animation Studios.
 The series debuted on October 11, 2004 and ended on May 31, 2010.
 Reruns aired on the Nick Jr. channel in the United States until 2017.
 The show airs on Treehouse TV in Canada.
 In 2015, the first season was included as part of Nickelodeon's Noggin app, a mobile application featuring episodes of older Nick Jr. programs.

Question: What country of origin does Nickelodeon Animation Studio and The Loud Househave in common?
Answer: American