Season 4

Season 4 is the fourth season of The Loud House, which was renewed by Nickelodeon on March 6, 2018, and will consist of 26 half-episodes.

​Background
On BusinessWire.com:

Nickelodeon announced today the development of Los Casagrandes (working title), a companion series to the animated hit The Loud House'' that will follow Lincoln Loud’s friend Ronnie Anne and her extended family, the Casagrandes, who live together in the big city. Nickelodeon has also greenlit a fourth season (26 episodes) of The Loud House, which will include a six-episode story arc featuring the Casagrandes. Since its launch in 2016, The Loud House has remained one of Nickelodeon’s top-rated shows and is currently the number-one series across television with Kids 2-11 and Kids 6-11 year to date. ''

On July 25, 2018, the staff had announced that production of this season has started, since the production of Season 3 has officially ended on the same day.

​Trivia

 * This season will include a story arc involving the Casagrandes that will last for five episodes (previously six).