Many of the characters are not wearing pants, but since they are animals, it is not sexual.

There is one tapestry scene of a naked squirrel.

Although there is almost no blood, many characters die violently. Most of these deaths involve medieval weaponry. Several are killed by spears, arrows, and javelins, although the violence is toned-down so that it looks like the weapons just hit them on the head and knock them out rather than impaling them.

Although there is no blood in the animated fight scenes, there are a couple tapestry scenes that feature gore.

A mouse has a cut.

A mouse is punched in the nose. Blood droplets come out of his nose, but you have to watch closely to spot them.

A mouse has a cut that is visible.

A mouse is punched in the nose. Blood droplets come from his nose, but this is hard to spot unless you look very closely.

Several gulls are shot down using a sling.

A young mouse is shot with an arrow.

A mouse has her throat cut with a sword (partially off-screen).

A mole is shot in the head with an arrow. (not very graphic)

There is one utterance of the word "damn".

Mild euphemisms ("blighter", etc.)

There are also several odd euphemisms ("bally", "blighter", etc.)

The villains often shout mild verbal abuse at their subordinates, like "morons" and "mangy curs".

Several references and scenes involving ale, cider, etc.

Brief references and scenes involving ale.

In one scene, a group of children steal some ale and drink it. Whether the ale is alcoholic or just a form of juice is unclear. After drinking a lot of it, they show signs of physical sickness, but not intoxication.

Cluny has recurring nightmares of being chased by the ghost of Martin the Warrior.

Although this TV show has no blood or on screen violence, it is very serious. Lots of characters die.