Boris Kodjoe in Station 19

• Andy goes to her Aunt Sandra for answers relating to her suspicions about the circumstances surrounding her mother’s death in the Season 3 finale of “Station 19.” Meanwhile, the rest of the crew find themselves in a life-threatening situation. (CTV, ABC 38 at 9) • Jane, Weller and the team reach out to Patterson’s father, hoping he can help them gain access to a high-level conference in Finland in a new “Blindspot.” Matthew Weitz guest stars. (NBC 33 at 9; CTV at 10)