All 12 episodes from the second season of the Japanese anime based on Yusuke Murata's manga remake of the web comic by ONE. Having gone through a rigorous training programme for three years, which resulted in the loss of his hair, the unassuming Saitama (voice of Makoto Furukawa) has become the ultimate superhero, capable of defeating his opponents with a single blow. However, Saitama has become jaded by the lack of effort needed to defeat his foes and performs his heroic duties with little vitality. A young cyborg named Genos (Kaito Ishikawa) approaches Saitama looking for guidance in how to become stronger and when Saitama agrees to mentor him the pair embark on a quest to fight for justice. The episodes are: 'The Hero's Return', 'The Human Monster', 'The Hunt Begins', 'The Metal Bat', 'The Martial Arts Tournament', 'The Monster Uprising', 'The Class S Heroes', 'The Resistance of the Strong', 'The Troubles of the Strongest', 'Justice Under Siege', 'The Varieties of Pride' and 'The Wiping of the Disciple's Butt'. The OVA episodes are: 'Saitama and Those With Reasonable Abilities', 'Old Dudes and Fishing', 'Genos and Memory Loss', 'Games and Rivals', 'Puri Puri Prisoner and the Escaped Prisoners' and 'The Zombieman Murder Case 2 - A Chalet Amid the Blizzard, and the Ones Bothered By the Cold'.