E4 - The Modern Ninja

Released on 25 October, 2015

In this episode, a mysterious group called the Paradisers attacks the city. They aim to destroy the rich, using stolen power suits for destruction. Sonic, a highly skilled ninja, appears to stop them for his own reasons. Saitama effortlessly defeats the leader, surprising everyone. Sonic becomes obsessed with Saitama, vowing to challenge him again.