Some child-like name-calling (no swear words are used). Sometimes boats crash against each other or into rocks and other obstructions and cause damage to themselves, but no blood is visible as they are boats.
Profanity
None
None.
Alcohol, Drugs & Smoking
None
None.
Frightening & Intense Scenes
None
Some episodes can scare young children (e.g. Theodore's Nightmares, where Theodore has bad dreams about a sea monster attacking him).