SERIESSurvivor: Heroes vs. Villains:
The latest incarnation of the hit competitive reality series brings back 20 memorable players from past seasons. Jeff Probst returns as host (8 p.m. CBS).
The Vampire Diaries: Stefan (Paul Wesley) helps Bonnie and Elena (Katerina Graham, Nina Dobrev) out of a hazardous situation. Jasmine Guy guest stars (8 p.m. KTLA).
Modern Marvels: This new special offers a behind-the-scenes look at the technology behind the Vancouver 2010 Winter Olympic Games, including the bobsled run, ski jump and speedskating (8 p.m. History).
Parks and Recreation: Leslie and Justin reunite her mother with an old flame for Valentine's Day (8:30 p.m. NBC).
The Office: Kathy Bates guest stars as the Sabre CEO in this new episode (9 p.m. NBC).
Grey's Anatomy: The doctors treat dozens of people when the roof of a romantic restaurant collapses on Valentine's Day (9 p.m. ABC).
Past Life: In this new drama, Dr. Kate McGinn (Kelli Giddish) and Price Whatley (Nicholas Bishop), a former New York police detective, team up to solve decades-old mysteries that are resurfacing in the lives of contemporary subjects (9 p.m. Fox).
SPECIALSHaiti's Killer Quake: Why It Happened:
Scientists explain the magnitude 7.0 earthquake that hit the island nation on Jan. 12 (9 p.m. Discovery).
In Performance at the White House: A concert celebrates Black History Month with performances from Jennifer Hudson, John Legend, Seal, the Blind Boys of Alabama and Smokey Robinson. (9:30 p.m. KCET).
Michigan at Minnesota (4 p.m. ESPN); Louisville at St. John's (4 p.m. ESPN2); Mississippi at Mississippi State (6 p.m. ESPN); Washington at California (6 p.m. ESPN2); Oregon at Arizona (7:30 p.m. FS Prime); St. Mary's at Gonzaga (8 p.m. ESPN2).
Hockey: The Edmonton Oilers visit the Kings (7:30 p.m. FSN).