Ncis - Unitг Anticrimine 7x12 -

This episode features the first mention of Rule #6 ("Never apologize, it's a sign of weakness") specifically as a numbered rule.

Sayif’s brother and the true mastermind behind the plot. NCIS - UnitГ  anticrimine 7x12

Michael Weatherly (Tony DiNozzo) actually portrayed Robert Wagner in the 2004 movie The Mystery of Natalie Wood , leading to the "inspired" casting of Wagner as his father. This episode features the first mention of Rule