Thou Shalt Not Kill

S1, E3: Billy has difficulty finding a lawful way to stay the execution of a beautiful, high-spirited horse named Beckett, who has been ordered destroyed. Lynn Colby loves Beckett and is willing to do anything, even break the law, in order to save Beckett from destruction. Lynn's father, Sheriff Colby tries in vain to find a solution. However, with Captain Marvel's help Beckett's life is spared, not once, but twice!