( possible spoiler warn ) you never know . the guy keep tell he an alien but . oops and seem to be the most human in the whole story . arrive from distant planet . say weird thing . advance the earth science . heal the doctor . or be it just a crazy dream . you never know . good see k pax for yourself . think . great acting of all the cast . don not forget to notice the music and it right in a place . lot of fun and some sadness . positive and after all .