When does Max & Ruby return?

Max & Ruby is a Canadian children's preschool animated series based on the book series by Rosemary Wells and produced by Nelvana Limited. The series follows two young rabbit siblings in the 1940s and 1950s. The TV series premiered in Canada on Treehouse TV on May 3, 2002. In the United States, the series first aired on Nickelodeon on the Nick Jr. block on October 21, 2002; the final episode aired on April 9, 2020.
Max & Ruby is about two young rabbits: Max, a rambunctious and achievement-determined three-year-old and his older sister Ruby. The series takes place in a town called Eastbunny Hop in a universe populated by bunnies and other creatures, in the 1940s and 1950s.