New series episodes abound, but some nostalgic visitors are on tap, too -- including Nancy Sinatra, Alvin & the Chipmunks and Lucy.
* "The Ricki Lake Show" (5 p.m.-6 p.m., WBFF, Channel 45) -- Good news with a local angle: Baltimore resident Stacy Bowles says thanks to a former school counselor who helped turn her life around -- and the counselor, Nancy Pipkin of Lutherville, is on stage, too.
* "VR.5" (8 p.m.-9 p.m., WBFF, Channel 45) -- The sci-fi series delves into the same territory as a recent "Frontline" two-parter on PBS: the phenomenon of repressed memories of childhood (( abuse. Sydney (Lori Singer) poses as a psychiatric patient seeking to learn what really happened to a pilot who believes his father must have abused him. Frank Converse guests. FOX.
* "Dateline NBC" (9 p.m.-10 p.m., WBAL, Channel 11) -- Fifty-plus Nancy Sinatra, who graces Playboy magazine this month, sits down with interviewer Bob Costas. Where has she been all these years since singing "These Boots Are Made for Walkin' "? NBC.
* "The X-Files" (9 p.m.-10 p.m., WBFF, Channel 45) -- As the series resumes new episodes, Mulder and Scully (David Duchovny and Gillian Anderson) confront the question of evil, after the death of a boy whose grandmother believes him to have been a bad seed. They don't buy it, and suspect something more sinister. FOX.
* "Homicide: Life on the Street" (10 p.m.-11 p.m., WBAL, Channel 11) -- The detectives discover reasons to suspect a man convicted of a 16-year-old murder, who is about to be executed, did not do the crime. NBC.
* "The Easter Chipmunk" (7 p.m.-7:30 p.m., USA) -- Alvin's grandfather claims he was the original Easter mascot in this new Alvin & the Chipmunks animated special which joins annual Chipmunk holiday productions for Halloween, Thanksgiving and Christmas.
* "I Love Lucy" (9 p.m.-9:30 p.m., Nick-at-Nite) -- Have you been watching? Some of the great sitcom's greatest moments came in the Hollywood episodes now being screened -- and tonight is one of the best, as Lucy tries to get Ricky mentioned by gossip columnist Hedda Hopper.
* MORNING ALERT! "What's Up: Conversations From Space" (7:30 a.m.-8 a.m. tomorrow, WJZ, Channel 13) -- Using tape segments from a March news broadcast, this special features students in several Baltimore area schools talking with Baltimore scientist Sam Durrance, who was aboard the orbiting space shuttle Endeavor at the time.