After being hugged by an "Alpha Hug Wolf," Finn transforms into a "Hug Wolf" himself every night. Instead of violence, he feels an uncontrollable, "love-crazed" urge to hug others until they are literally suffocated or "infected" by the hug.
Despite its bright colors, the episode is noted for its "light body horror" elements, as Finn’s hands transform into giant, oversized mitts designed for entrapment. "Adventure Time" Hug Wolf(2012)
Like many early Adventure Time episodes, it serves as an allegory for the confusing, uncontrollable changes of puberty—a recurring theme for Finn throughout 2012. After being hugged by an "Alpha Hug Wolf,"
Adventure Time (TV Series 2010–2018) - Episode list - IMDb he feels an uncontrollable