The season finale of "This Is Us" season 1 is only two episodes away, with many fans anticipating just what will happen to the Pearson patriarch Jack. A new teaser hints that marriage troubles might be on the way for the couple in the next episodes of the hit series.

Celeb Dirty Laundry reports that based on spoilers, it seems that Jack might be tempted to cheat on his wife Rebecca. Viewers know that the couple has been going through a rough patch lately. Jack is not happy when he finds out that his wife used to date Ben, and now she wants to leave for a few months and tour with her band.

Previews for "This Is Us" season 1 episode 17, titled "What Now" showed Jack going to a bar and meeting Heather, the beautiful assistant of his friend Miguel. Refinery 29 speculates that the two might engage in an affair. The site says that the show has been hinting that Heather will be involved with someone, and jack even accused Miguel as having an affair with her. While this theory is merely a speculation right now, there's no denying that Jack and Rebecca need to settle the issues between them soon.

Meanwhile, in the future timeline, Randall is dealing with the aftermath of his biological father's death. His daughters are planning a memorial for their grandfather, and Randall is seen getting emotional. Kevin will also be dealing with the play he left behind. He does not want to say that he did not do opening night because of his brother, and he looks like he is experiencing stage fright again in the preview.

Do you think that there is a possibility that Jack could cheat on Rebecca on "This is Us?" Share your thoughts and comments below.