Bibleman: The Animated Adventures (2016)

S1E10 Getting Right Wrecks the Ronin of Wrong (An Adventure in Righteousness)

Biblegirl’s sister is married to a Navy captain who frequently leaves for months on deployment. While his father is away, Biblegirl's young nephew Caden suddenly declines to attend church and begins to associate with a rough crowd. Sensing something amiss, Bibleman investigates and discovers that his instincts were correct, ultimately exposing the Ronin’s deception. The story draws inspiration from the tale of Cain and Abel, with key verses taken from 1 John 3:7.