Ripper Street: This new crime drama set in 1889 London, stars Matthew MacFadyen and Homer Jackson as a detective and a forensic pathologist partner who are on the trail of Jack the Ripper (6 and 9 p.m. BBC America).
Saturday Night Live: Jennifer Lawrence hosts with musical guests The Lumineers (11:29 p.m. NBC).
Prosecuting Casey Anthony: Rob Lowe stars as the Florida prosecutor in 2011's controversial Casey Anthony murder trial, in this film based on Ashton's book. Elizabeth Mitchell and Virginia Welch also star (8p.m. Lifetime).
The Sweeter Side of Life: Kathryn Morris stars in this new romantic comedy (9 and 11 p.m. Hallmark).
College basketball: Kansas at Texas (11 a.m. CBS); Oregon at UCLA (1 p.m. CBS); Syracuse at Louisville (1 p.m. ESPN); Loyola Marymount at San Francisco (1:30 p.m. TWSN); Mt. San Jacinto at San Bernardino Valley (3 p.m. KVCR); Cal Poly-San Luis Obispo at UC Santa Barbara (4 p.m. FSN2); San Diego State at Wyoming (4:30 p.m. TWSN) .