Complex sentence: He shows him an alternate future where Kate hadn't died, where Kate and DiNozzo are married with a newborn baby, but as a result Ziva stays with Mossad and is eventually arrested by NCIS.
Split into simpler sentences: He shows him an alternate future where Kate did not die, but marries DiNozzo and has a baby. However, as a result, Ziva stays with Mossad and is eventually arrested by NCIS.