WHAT IS THE NAME OF THIS MOVIE??? HELP?

ok....i was waching spongebob..and it was the episode where spongbob had to take a vacation..during the show ..there was this lil piece where they copied a movie...i remembr wachin that movie wen i was little...the movie was about a a mom who i think lost her son cuz he died or sumthin like that...then the dad brot home this robot kid..the mom didnt like him i guess...idk..then she left him in this forest where he met other robots...i guess during the whole movie he trying to find his mom...oh yeah he also has this teddy bear that walks and talks all by itself...in the end i guess the worls end..but the robot is still alive..and this lady..idk hoo..gives him the chance to visit his dead mother for one day i guess...i could be wrong but i think the litlle boy is the bro of emily osment...idk...some of these might be wrong ...cuz like i said ..the last time i wached this movie..it was like lots of years ago...plzz..if u know the name of this movie ..plzz let me knoe...i really want to watch it agian =] thanx