Hello River!(1979)

Hello River! is a children's film following young Stepan, who becomes enchanted by his mother's bedtime story about a mighty river nearby that needs human care and protection. When she vanishes the next morning, Stepan sets out alone to find the river's source, embarking on a series of adventures that test his courage and determination. The film blends whimsy with environmental themes, capturing a child's sense of wonder as he journeys through natural landscapes. Stepan's quest becomes both a physical exploration and an emotional journey, revealing how one boy's curiosity and compassion can lead to discovery and growth.