History Channel series Engineering an Empire - The Persians (Dec 2006):

1. Part 1: Medes, Persians, Cyrus the Great
2. Part 2: Cyrus the Great, Pasargadae, Persian gardens, Darius the Great
3. Part 3: Darius the Great and Marathon, digging canal between the Red Sea and Mediterranean Sea, building bridge over Bosphorus
4. Part4: Xerxes and war at Thermopylae
5. Part 5: Artaxerxes, building Mausoleum, Darius III, Alexander invasion