It has been announced that Episode 13 "The Matsunoten," the unaired episode of the TV anime "Mr. Osomatsu" Season 4, will make its television premiere on June 13.
Based on Fujio Akatsuka's classic gag manga "Osomatsu-kun," this series depicts the main characters, a set of sextuplets, who have grown up to become hopeless, good-for-nothing NEET adults. Season 1 of the TV anime aired from October 2015 to March 2016.