‘It’s me!’ says Dmitri. ‘I’m back from the moon!’ But alas, nobody remembers the former space hero anymore. Unknown to Dmitri, Lulu—his loyal lunar pal—has stowed away in his sack of moon rocks, and this remarkable creature soon becomes an overnight sensation. While the forgotten astronaut mopes, scientists are puzzling over Lulu’s crayon drawings of a mysterious figure. Who on earth can he possibly be?