Masha and the Bear (2009)

S1E1 How They Met

Masha ventures into the woods for an adventure and unexpectedly finds an abandoned house. Meanwhile, Bear comes back to his home only to discover it's a mess, thanks to the mischievous girl. Concerned for her well-being after leaving her alone in the dark forest, he sets out to bring her back. In the end, he learns that it's perfectly alright to embrace a little fun along the way.