This week in The Ready Room, Star Trek: Discovery star Mary Wiseman (Sylvia Tilly) patches in to speak with host Wil Wheaton (Star Trek: The Next Generation) about "All Is Possible" (Season 4, Episode 4). In a very heartfelt conversation, Wil connects with Mary on the scene that most affected him, dips into what's next for Sylvia Tilly, and gets the behind-the-scenes details on filming in freezing weather.