When does Little Einsteins return?

Little Einsteins is an American animated children's television series based on the Baby Einstein line of videos. The series follows the adventures of a group of four young children: Leo, June, Quincy, and Annie, who travel around the world in their friend Rocket and go on missions. The first regular episode premiered in the United States on October 9, 2005 on Disney Channel. The final regular episode aired on December 22, 2009, and a standalone special titled "Rocket's Firebird Rescue" was released direct-to-DVD in 2007.