Two Captains a 1976 Soviet adventure TV mini series directed by Evgeniy Karelov, based on a novel by Veniamin Kaverin.
At the beginning of the century, in a provincial town, ten-year-old Sanya Grigoriev finds a bag in the river with letters from members of some missing expedition. Due to unexpected coincidences he becomes determined to find the remains of the expedition and solve it's disappearance.
Alexander Grigoriev dreams of becoming a polar pilot and finding traces of the Arctic expedition of Captain Tatarinov, which has disappeared, and he persistently goes to his goal.
Starring: Boris Tokarev, Ivan Vlasov, Mikhail Pugovkin, Natalya Krachkovskaya, Yelena Lobkina, Yuri Gusev, Yuriy Bogatyryov, Zinaida Kirienko