None. Just a brief mentioning of a lion who has been castrated.

Contains some brief footage of circus animals subject to violence and abuse done by workers. But nothing too graphic is seen.

Deaths among former circus animals are talked about.

A fist fight took place between some humans, but we don't get to see it.

None.

Some animals are seen hit by darts containing narcotic drugs.

Vaccinations are mentioned.

Some footage of animal cruelty for circuses might upset some people, but nothing too disturbing is seen as this is a circus animal rescue documentary.