Unlike other episodes that fade to orange at the conclusion, this one fades to black instead. This is the only episode that doesn't finish with an orange screen.
In his flashback, Bayley is let go despite his possession of weed; whereas Poussey was sentenced to six years in prison for the same thing.
When Bayley and his friends are on the water tower looking out at the prison, one says he heard there's a prisoner who cut off her husband's penis. In 40 Oz. of Furlough (2014), Freida told another inmate that she had done that.
The title may refer to the series theme song, which opens with "The animals, the animals..."