NCIS: Los Angeles NCIS: Los Angeles

"There's often the question, 'Why would you do a third one?'" NCIS and NCIS: Los Angeles executive producer Shane Brennan admits of the franchise's next spinoff, which will launch as a two-part "embedded pilot" on NCIS: LA March 19 and 26. "'How would it be different?'"

Here's how: The action follows a mobile military crime-solving unit, the Red team, led by Paris Summerskill (Grey's Anatomy alum Kim Raver), who shares a mysterious past with analyst Roy Haines (Sex and the City's John Corbett).

Brennan says the new show, which may be called NCIS: Red, will track the team's overlapping personal and professional lives. "They work and live together 24/7" — on two trucks nicknamed Laverne and Shirley — "so they sit around a dinner table, arguing about elements of the case and who kept everyone awake last night snoring."

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