Arrow (8pm, CW) - With the Undertaking only days away, Malcolm dons his black hood to conclude business with seismologist Dr. Brion Markov and his team.
Nature: The Private Life of Deer (8pm, UNC-TV) - Night-vision cameras and GPS tracking equipment provide glimpses into the lives of white-tailed deer, of which some 30 million live in the U.S.
Modern Family (9pm, ABC) - Mitch's ex-boyfriend Teddy (a successful doctor) invites the Pritchett clan to a fundraiser at a roller rink, where Phil gives Gloria skating lessons. Haley gives Alex tips on meeting boys and Cam tries to act relaxed.
Law & Order: SVU (9pm, NBC) - A sniper attacks the NYPD twice, and the shootings appear to be linked to one of Fin's old cases in narcotics. Fin contacts his former partner and Lt. Eames (Kathryn Erbe from "Law & Order: Criminal Intent") assists with the investigation. NBC didn't have any photos of Erbe from tonight's episode, so this is Detective Benson (Mariska Hargitay) and Detective Amaro (Danny Pino) being shot at by snipers.
Secrets of the Dead: Death on the Railroad (10pm, UNC-TV) - An investigation into the 1832 deaths of 57 Irish laborers who were laying railroad tracks in Pennsylvania. Cholera was blamed at the time, but modern forensic science sheds light on what really happened.
Nashville (10pm, ABC) - Both Rayna and Juliette score CMA award nominations so Edgehill Records throws them a party. Meanwhile, tension mounts between Gunnar and Will.
Chicago Fire (10pm, NBC) - Severide pushes back in the criminal case against him, antagonizing Chief Boden and gaining an unlikely ally in the process.