reality. 2x09 The Measure of a Man Sentience, intelligence, self-awareness, consciousness, freedom from slavery, and the definition of “life”. 4x05 Remember Me A surreal mystery develops onboard the Enterprise, which Beverly must solve. 4x21 The Drumhead Conspiracy, espionage, treason, sabotage, interrogation, and freedom of speech and thought. 5x19 The First Duty Loyalty, duty, truth, lies, honesty, trust, betrayal, morality