Episode 13, One-Punch Man Wiki

quot;Return of the Hero" is the thirteenth episode of the One-Punch Man anime series and the first episode of its second season. Saitama and Genos are returning from the grocery store when they spot King, S Class Hero Rank 7. Tongue Stretcher terrorizes the populace but immediately surrenders when confronting King due to hearing King's Engine. A robot named G4 soon challenges King to a fight, but lets King leave with his excuse of going to the bathroom so they can fight at "full power". However, G4

Episode 21, One-Punch Man Wiki

Plastic Man - Wikipedia

Saitama, One-Punch Man Wiki

One-Punch Man: One-Punch Man, Vol. 13 (Series #13) (Paperback)

Chapter 25, One-Punch Man Wiki

Sneck, One-Punch Man Wiki

One-Punch Man: 15 most powerful villains

Episode 13, One-Punch Man Wiki

Blast, One-Punch Man Wiki

One-Punch Man - Wikipedia

Chapter 27, One-Punch Man Wiki

One-Punch Man Know Your Meme

Chapter 31, One-Punch Man Wiki

Chapter 167 (Online), One-Punch Man Wiki

Chapter 158 (Online), One-Punch Man Wiki