The next 'NCIS' episode will bring Bishop to tears, but why? The next episode of NCIS will have a bit of a Halloween theme since Halloween is nearing closer, but it will also be a bit heart-wrenching! Who Will Tony DiNozzo Reunite With This Season On 'NCIS'? The sixth episode of the current season of the hit CBS series is called Viral and according to the press release the team will investigate the tragic death of a petty officer, which mimics the M.