|Back to the Future 4|
|Part of:||Back to the Future|
Doc is forced to retire! Is the adventure finally over? Is this the final story?
Learning that he has used up 99.99% of his brain power, Doc decides he must retire if his brain is to keep working... if his heart is to keep beating! What's left then for this genius and for those who surround him? This is a story like no other in this incredible series... and as we've said, it may well be the last!