When does Dora and Friends: Into the City! return?

The sequel to the original Dora the Explorer series premiered on Nickelodeon on August 18, 2014 and ended on February 5, 2017 in the United States. Season two features the return of characters from the original series such as Boots the Monkey, Benny the Bull, Isa the Iguana, Tico the Squirrel, Swiper the Fox, Big Red Chicken.