Today marks the final episode of "One Punch Man" season one. Episode 12 entitled "The Strongest Hero" is streaming online courtesy of Daisuki and Viz Media. Fans can view the new episode using the website links provided below.

Watch "One Punch Man" Episode 12 Here

The fight with Boros begins and Saitama is able to keep up with him at full speed so far. Elsewhere, City A appears to absolutely to be absolutely destroyed. Tornado works on destroying the remaining amount of aliens in the ship.

As the situation appears to be under control, some heroes start to leave. Atomic Samurai and Silver Fang are finally able to destroy Melzarguard. Meanwhile, the battle with Saitama and Boros rages on. Saitama remains mostly on the defensive, taking almost all of Boros' punches.

Boros declares an early victory for himself based on how his people were able to survive the harsh environment of their home world. He starts to go on a story, but then Saitama tells him to stop talking. Boros powers up for his meteoric burst attack and lands a direct hit on Saitama.

The attack is so powerful that it knocks Saitama all the way to the moon. Saitama comes back and Boros launches another attack. Saitama counters with consecutive regular punches. Boros says he will release his final power. Saitama launches his serious punch.

Saitama defeats Boros with his final attack and the alien ship collapses. The hero that arrives just to see the aftermath is none other than Rank 1 Hero Handsome Kamen Amai Mask.

Amai Mask asks Metal Bat what happened, and he tells him they took care of the alients. Amai Mask tries to scold them for allowing the city to fall. Metal Bat gets into Amai Mask's face. Suddenly, Metal Knight arrives and Genos is prepared to fight him.

All the hero turmoil is disrupted by the finding of alien survivors. Amai Mask quickly destroys them. He tells Genos he's been a disappointment since the Deep Sea King incident and then leaves.

Saitama surfaces from the ship. Tornado demands to know what he was doing but he ignores her and talks to Genos about his fight. Genos tries to tell her to calm down and Tornado attacks him. Saitama peels Genos' body from the wall.

Fans can also watch "One Punch Man" Episode 12 here.