When does Max & Ruby return?

Max & Ruby is a Canadian children's animated television series based on the book series by Rosemary Wells. The series debuted on Treehouse TV on May 3, 2002, in Canada and on Nick Jr. on October 21, 2002.
Max & Ruby is about two bunnies: Max, a rambunctious and determined three-year-old and his sister Ruby. The series takes place in a fictional town called Eastbunny Hop in the 1940s and 1950s.