At the 00:09:43 mark, there is a scene with Cam and Maggie in the kitchen. Cam is in the process of making crepes that go from unfolded to folded and back to unfolded again.
On a book shelf there are various board games in the background, including "Trivial Pursuit." The movie is set in 1978, Trivial Pursuit was not released on the market until 1982.