Laugh Every Time

There is a Bank of Montreal commercial on right now that has a couple out walking their dog and they stop in front of a beautiful home. After one of them says, "Imagine if this was for sale..." a man appears and puts a For Sale sign on the lawn. There are some knowing shared couple looks and another sign claims that BMO could help with a mortgage. It returns to a shot of the couple:
Man: We could get another dog.
Woman: A baby.
Man: Like a puppy? You mean, like a baby dog?
It makes me smile every time. YouTube has a clip of it but the quality isn't good and it doesn't seem to have the same cut as the real version, but if you haven't seen it on TV check out the online one HERE.