Robocar Poli is a South Korean animated children's television series created by ROI Visual. The series premiered on February 28, 2011 on Educational Broadcasting System, and 120 episodes have aired for four seasons (26 per season). Each of the episodes is normally 14 (11 if your not counting into or outro) minutes long.
Season 1 began on February 28 (with "Rescue Team of Brooms Town"), and ended on July 12, 2011 (with "Our New Friend, Whooper"). It contains 26 episodes.
Season 2 began on December 26, 2011 (with "Rody is a Liar"), and ended on May 15, 2012 (with "Harmony of Brooms Town (part 2)"). It contains 26 episodes.
Season 3 began on February 26 (with "Brooms Town's Visitor"), and ended on May 22, 2014 (with "Amber's Training"). It contains 26 episodes.
Season 4 began on August 31 (with "A Suspicious Friend"), and ended on November 24, 2015 (with "Our Fabulous New Friend"). It contains 26 episodes.