The usual plural form of person is people (not persons), and this is used in all ordinary contexts:
✗ Children imitate persons and situations they see on television.
✓ Children imitate people and situations they see on television.
✗ My neighbour is one of the nosiest persons I know.
✓ My neighbour is one of the nosiest people I know.
The form persons is used only in specialized contexts, especially in laws and legal documents, police reports, and public notices:
The coroner’s verdict was murder by a person or persons unknown.