In 2009, Andrew Graham-Dixon produced a marvelous 3-hour documentary on Russian art for the BBC.
Here’s the bit about Ilya Repin.
Watch the full episodes:
Part 1, Out of the Forest (Icons, Ivan the Terrible, and Peter the Great).
Part 2. Smashing the Mould (includes the material on Repin and the Itinerants).
Part 3. Revolutionary Russia (Lenin, Stalin, and more).