The Lieutenant is an American television series, the first created by Gene Roddenberry. It aired on NBC on Saturday evenings in the 1963–1964 television schedule. It was produced by Arena Productions, one of Metro-Goldwyn-Mayer's most successful in-house production companies of the 1960s. Situated at Camp Pendleton, Southern California, the West Coast base of the U.S. Marine Corps, The Lieutenant focuses on the men of the Corps in peacetime with a Cold War backdrop. The title character is Second Lieutenant William Tiberius Rice, a rifle platoon leader and one of the training instructors at Camp Pendleton. An hour-long drama, The Lieutenant explores the lives of enlisted Marines and officers alike.

Majel Barrett-Roddenberry was an American actress. She was best known for her roles as various characters in the Star Trek franchise: Nurse Christine Chapel, Number One, Lwaxana Troi, and the voice of most onboard computer interfaces throughout the series from 1966 to 2023. She married Star Trek creator Gene Roddenberry in 1969. As his wife and given her relationship with Star Trek—participating in some way in every series during her lifetime—she is sometimes referred to as "the First Lady of Star Trek".