In its final season, “She-Ra and the Princesses of Power” wraps up the five-season-long series with a firm commitment to the strong characters that define the show.

The concept of the Suicide Squad — a group of supervillains who are signed up to do the government’s dirty work — is strong. But when a director subtracts the action, emotion and comedic relief, and replaces it with backstories and unaddressed abusive relationships, it fails.