Jerry Lewis plays this boy called "Junior Jackson", who doesn't know anything about football, but his father wants him to be a great football player.So he gets a special trainer for the job. And who else but Dean Martin, Jerry's partner for years, plays the trainer called Bill Baker.It's not an easy job for Bill to teach Jackson.And how would it be?After all, it is Jerry Lewis.Nothing is easy with mr.Lewis.That's My Boy is a great Martin-Lewis comedy.Jerry Lewis and Dean Martin is one of the greatest comedy couple ever.