YouTube TV
YouTube TV has a content filter, and family-group members must be 13 or older and live in the same household. A PIN or lock for that filter is not documented, so the filter is not listed as a step.
Minimum age we could verify: 13. Family-group members must be 13 or older.
No setup steps are listed yet. How we check explains what was left off.
How we check lists what was left off YouTube TV.
Build a plan that includes YouTube TV