Enterprise has returned to Earth for the launch of the Columbia. While Trip prepares for his transfer, Hoshi and Phlox enjoy dinner in San Francisco. Things turn sour, however, when Phlox is kidnapped by mysterious aliens and taken to a Klingon laboratory on the colony world of Qu'Vat. Dr. Antaak and General K'Vagh inform him that a virus is spreading through the Klingon Empire - they need Phlox's help to devise a cure.

When the blinking sun of the Seefra system goes dark for an extended period of time Dylan takes the opportunity to study the workings of the artifice in the hopes of finding a way of fixing the broken sun. Harper discovers a maintenance protocol built into the sun by the Vedrans that will allow a further extended period of time to study the sun.

Incensed that Will and Helen have forbidden her to go to a concert with Adam and stay overnight with him in his father's camper, Joan goes anyway.
After Joan has a conversation with God about free will, she decides to use it as a rationale for lying to her mother in order to go on the trip as she's convinced that Helen simply wants her to remain a dependent little girl. Meanwhile, Luke is shocked when the nerdy, girl-obsessed Friedman rebuffs the advances of the surprisingly infatuated Stevie.

C.J. is shocked and delighted when his biological father (Danny Woodburn, recurring on ''Seinfeld'' as Mickey Abbott) andacirc;andeuro;' a motivational speaker and ''little person'' andacirc;andeuro;' reveals himself for the first time to his wayward son. But Jim doesn't trust the man and thinks he may have ulterior motives for the visit. Recording artist Ruben Studdard makes a cameo appearance.

After breaking into Jack's house and holding Jack at gunpoint, a barber describes how he has been seeing SG-1's missions over the last 8 years, through the accidental use of an ancient communication device.

When Harm is forced to shoot down a civilian plane flying in a "no-fly" zone in the Persian Gulf, Harm once again finds himself on the wrong side of the court-room.

Stottlemeyer is in Las Vegas and drunkenly figures out how a wealthy casino owner secretly murdered, but calls in the Monk the next day when he can't remember how he solved the murder.

A very old woman is found in suspended animation in Atlantis, and the team is shocked to see that it is Dr. Weir herself, who tells them of her trip 10,000 years into the city's past.

When Baltar and the Number Six who lives in his head have a falling out, she abandons him, only to surface a short while later aboard the Galactica. But now she's called Shelley Godfrey, everyone can see her, and she's telling them that she has evidence, passed on by the late Dr. Amarak, that will prove Baltar sold out the human race to the Cylons.

When a five-year-old girl is kidnapped from her birthday party, Don and Terry lead the investigation, but must rely on Charlie's help because the girl's father, Ethan, is also a mathematician. Charlie realizes the kidnapper's motive when Ethan reveals he is close to solving Riemann's Hypothesis, a difficult math problem. If solved, the solution could not only earn him $1 million, but could break the code for internet security and unlock the world's biggest financial secret.

Coming Soon...

Rated: TV-MA for Adult Content (AC) and Adult Language (AL)
Tonight's episode is Live from L.A.
Guests: Correspondent Lesley Stahl, actor Robin Williams, former H&HS Sec. Tommy Thompson, Senator Joe Biden, and actor Don Cheadle.

The gang run into another pokemon trainer with a disobedient Treecko.

An inebriated Bex pesters Pete all night after she sees him with another woman at the Valentine's Ball, but the evening soon takes a horrific turn when he decides to walk her home. Meanwhile, Guppy refuses to bow to his father's bullying, Tess remains in denial over Sam's increasingly delusional behaviour, and the net closes in on Ellen. Contributor: Soapaholic State: Un-approved