"oh you make such a cute family" and then both of them awkwardly explaining "no, NONONO... we're not.. I mean, no we're just babysitting, no we are not couple"

I was so waiting for that line too! haha. dammit. I don't think they'll stop with the jokes. Its part of the show! it has been from the beginning. it might just take a little bit to get back into the swing of things.