“Inside Out 2” sees Riley hit puberty. Along with that, her five core emotions — Joy, Sadness, Anger, Fear and Disgust — find themselves joined by Ennui, Embarrassment, Envy and Anxiety.

Riffing on the concept of the homunculus, the miniature man that 16 th and 17 th century scientists believed controlled human consciousness, “Inside Out” embraces miniature beings representing ...

“Inside Out 2” picks up two years after the 2015 film “Inside Out,” as Riley is about to start high school. With puberty comes a group of new emotions, led by Anxiety.