Reign / 9:00pm (50) Mary (Adelaide Kane) doesn’t have a lot to lose — nor does this series, now in its final stretch — as she embarks on a quest for vengeance in the new episode “A Bride. A Box. A Body.” She’s determined to exact justice from those who schemed against her. Elizabeth (Rachel Skarsten) also is shaken upon suffering a sudden disruption of the path she’s been on. Andrew Santino: Home Field Advantage / 9:00pm (Showtime) The rising actor and comic, who’s part of the ensemble cast of Showtime’s highly anticipated new drama series “I’m Dying Up Here,” returns to his Chicago hometown for this new one-hour special, shot at the historic Vic Theater. Half-Italian and half-Irish, Santino walks his audience through landmark moments in his life that shaped his distinctive comedic voice. He also explains why he grew up convinced he was black.
Blue Bloods / 10:00pm (13) Following the murder of the key witness in a case Danny (Donnie Wahlberg) was working, Erin (Bridget Moynahan) puts Anthony (Steve Schirippa) on a search for the killer — to Danny’s very obvious chagrin — in “Guilt by Association.” Schrippa’s fellow “The Sopranos” veteran Michael Imperioli returns as federal attorney Robert Lewis, who wants Frank’s (Tom Selleck) cooperation in an excessive-force probe.
MOVIE “Deadly Secrets by the Lake” / 10:00pm (Lifetime MN) 2:00am (Lifetime MN) Decorated NYPD Detective Jennifer Riley (Stefanie Von Pfetten, “Shooter”) returns to her hometown of Thornwood Heights to help her sister, Lauren (Ferelith Young), who has been charged with the murder of her boss. As she tries to get to the bottom of the crime, Jennifer also attempts to mend fences with her estranged family. Eventually, her investigation uncovers some dark secrets that could rip their community apart in this 2017 mystery.
Stefanie Von Pfetten stars in “Deadly Secrets by the Lake” Friday on Lifetime Movie Network.