An undercover trip with Mrs. S and the return of Susan Duncan are the focus of this week’s Orphan Black and I share all of my thoughts on the fourth episode of the final season.

Share your thoughts with us in the comments or on Twitter, @thenerdygirlexp. You can find me on Twitter, @kleffnotes, on my blog, kleffnotes.wordpress.com, on my kleffnotes YouTube channel, and I run The Nerdy Girl Express Snapchat, thenerdygirlexp.