Yoko - Season 1 Episode 1 First day

Vik remembers the day he met Oto, Mai and Yoko. It's the park opening, and, being shy, Vik is avoiding all the other kids. Oto and Mai invite him to play trains with them. At first, they're just three kids playing trains, but something strange starts to happen; all at once, the three kids find themselves inside a "real" train zooming through the park, and taking off into outer space. How can this be happening? They reach a planet where, finally, they meet Yoko, the magical author of their adventure but they believe that Yoko is an alien who wants to attack them; this hurts Yoko's feelings. In the end, they see that the furry giant only Wants to play with them. It's the start of a beautiful friendship.