Much comical gore and violence. Explained in detail here.
The Foretelling: Richard III is beheaded, gory but funny. His bloodied ghost has a head which flies around. A battle is seen for a moment.
The Queen of Spain's Beard: Baldrick is seen with bruises, implied for comedy. Edmund and Percy fight.
The Archbishop: A massive fight occurs in the nunnery, very funny on all levels. Several characters die onscreen. Multiple archbishops are killed in gruesome but funny and comical ways offscreen.
Witchsmeller Pursuaivant: A man sets on fire. A horse dies and leaves bloodstains on a piece of paper. The ashes of a woman and her cat are found on the floor. Several people die of the bubonic plague. Richard stabs a door with a sword.