Tuesday's TV Highlights: 'NCIS' on CBS

SERIES

NCIS The hit drama airs its 300th episode with Taye Diggs guest starring as the hospitalized sole survivor of an attack on a special ops team in Iraq. Mark Harmon stars with guest star Laura San Giacomo. 8 p.m. CBS

The Flash Barry (Grant Gustin) and company try to locate Zoom on the alternate...