The singles ponder what might have been had they taken different paths tonight on "Friends" (8 p.m.-9 p.m., WBAL, Channel 11). For example, a hefty Monica frets about losing her virginity, while Chandler is a struggling writer working as an assistant to Joey, who's now a successful soap star. Kristian Alfonso and Kevin Spirtas of the daytime drama "Days of Our Lives" are guest stars.
At a glance
"Independence Day" (8 p.m.-10 p.m., WBFF, Channel 45) -- Humans must defend themselves from aliens with really big spaceships. Will Smith, Bill Pullman, Jeff Goldblum and Mary McDonnell star in the hit 1996 movie. Fox.
"ER" (10 p.m.-11 p.m., WBAL, Channel 11) -- As Lucy and Dr. Carter (Kellie Martin and Noah Wyle) fight for their lives, the wife of the guy who stabbed them refuses to believe he could hurt anyone. NBC.
"Late Show with David Letterman" (11: 35 p.m.-12: 35 a.m., WJZ, Channel 13) -- As Dave prepares to return Monday, the "Backstage" shows continue. Tonight, Tom Snyder interviews Mike Myers, Roseanne and Bonnie Hunt. Tomorrow night, Roseanne's ex, Tom Arnold, does the interviewing. CBS.
"Horse Sense" (7 p.m.-8: 40 p.m., Disney) -- Joey and Andy Lawrence star in this 1999 made-for-cable kids' movie set on a ranch.
"Winter Goodwill Games" (8 p.m.-11 p.m., TNT) -- International athletes enter this inaugural four-day event at Lake Placid, N.Y. Alpine skiing, figure skating, luge and snowboarding are among the attractions, with entrants vying for a share of prize money. Coverage will resume at the same time tomorrow and at 2 p.m. on Saturday.
"The Johnson Tapes: Uncivil Liberties" (9 p.m.-10 p.m., repeats midnight-1 a.m., The Learning Channel) -- Oval Office phone recordings offer insight into the interplay of President Lyndon B. Johnson, FBI director J. Edgar Hoover and Dr. Martin Luther King Jr.
"The Great Dictator" (10 p.m.-12: 15 a.m., TCM) -- Charles Chaplin wrote, directed and starred in this 1940 send-up of Adolf Hitler and the Nazis. Chaplin plays both Hitlerian dictator Adenoid Hynkel (one of the great comedic names) and a Jewish barber who endures the fallout from Hynkel's rampant anti-Semitism.
"The Quick and the Dead" (10: 15 p.m.-12: 30 a.m., TBS) -- Though not a favorite among critics, this 1995 movie has the novelty of Sharon Stone cast as an Old West gunslinger who is out for revenge. With Leonardo DiCaprio and Gene Hackman.