What to Watch Saturday: Tatyana Ali’s Lifetime movie, new true crime on 48 HOURS

Vanished: Searching for My Sister (8 p.m., Lifetime) - In this new movie, twins Jada and Kayla (both played by Tatyana Ali) could not be more opposite: Jada being the mild-mannered sister with an office job, and Kayla the wild child. From Lifetime: “Recently divorced from her husband Warren (Justin Bruening), Kayla asks Jada to watch her daughter while she sets up her new apartment. But after a few days with no word from Kayla, Jada begins to worry and reports her sister missing. With no leads and the police investigation at a standstill, Jada takes matters into her own hands. She disguises herself as her sister and gets pulled into a world of drugs and deceit in order to learn the shocking truth about what really happened to Kayla.”

Don’t Forget I Love You (8 p.m., Hallmark) - Taylor opens a time capsule left by her late mother on her birthday. It contains a list of challenges that force her out of her comfort zone, giving her a chance at the possibility of love.

48 Hours (10 p.m., CBS) - Tonight’s episode tells the story of a Colorado mother who went missing and is presumed murdered. According to CBS4 in Denver, Suzanne Morphew vanished on Mother’s Day of 2020 in Chaffee County and her body has never been found. Authorities first thought Morphew was abducted while out on a bike ride, but then focused on her husband Barry as their prime suspect. CBS correspondent Peter Van Sant reports on the case and outlines the bizarre clues that have emerged — including a chipmunk alibi, a tranquilizer gun, and a spy pen, “48 Hours” tweeted this week.

Saturday Night Live (11:30 p.m., NBC) - Will Forte returns to SNL tonight as host, and Måneskin performs.

Some programming descriptions are provided by networks.