The ending of "The Beast in Me" has been explained in various outlets, with some focusing on the fates of characters such as Nina, Nile, and Teddy. The finale's conclusion has been met with mixed reactions, with some considering it a cop-out. The show's creators and stars have discussed the ending, suggesting that it brings a sense of liberation and consequences for the characters, but the specifics of what happens to certain individuals remain a point of interest and debate.