‘NCIS: Origins’ Producer on the Show’s Historic Mark Harmon/Michael Weatherly Reunion: ‘It Was a Special Day in My Life, Seeing That Happen After a Decade’

When the characters of Jethro Gibbs and Tony DiNozzo reunite for the first time in a decade in Tuesday night’s episode of “NCIS: Origins,” there will be no head slaps — something that may disappoint a few original “NCIS” but will probably be a relief to most.