In "Alexander Nevsky" (1938), director Sergei Eisenstein's lavish spectacle recounts the invasion of Russia by the Teutonic Knights in the 13th century. Nikolai Cherkasov stars, with music by Prokofiev. Then, "Ivan the Terrible, Part 1" (1944) brings to life the 16th-century Russian leader's struggle to unite his people. Cherkasov stars. Lastly, "Ivan the Terrible, Part 2" (1946), follows Ivan's battle against enemies inside the Russia he has tenuously brought together. Includes the lavish banquet sequence, filmed in color. With Cherkasov, Serafima Birman. 5 hrs. total on three discs. Standard; Soundtrack: Russian Dolby Digital mono; Subtitles: English. In Russian with English subtitles.