You are The Guardian, its your job to take care of Po, Tinky Winky, Laa Laa and Dipsy until they reach the age of a kid walk through the opening sliding doors while walking inside the teletubby dome

Po: Who are you? Tinky Winky: I wonder what they are like Laa Laa: He has white fur, I wonder why... Dipsy: I'm just glad we have a new friend