Stardate: 54622.4 - Chakotay must convince Janeway and the other crew members of their past lives on Voyager. Matters are complicated when Chakotay is exposed and taken for interrogation.

The results of the Senior Polls have ramifications for Dawson, Joey, and Pacey, as the three try to ignore the tauntings of pollmaster Drue Valentine. While Pacey and Joey try to eke out some time alone together, Dawson finds his night alone with Gretchen more awkward than he'd expected. Gretchen learns that Joey lied to Dawson about sleeping with Pacey and is angry and Joey is forcing her to lie to her boyfriend. Meanwhile, Jack's suspicious when Jen drags him on some mysterious errands, and his suspicions are confirmed when he realizes just what she's up to.

It's once again 'Big Block of Cheese' Day, and the staff is sent out to meet with organizations that aren't typically heard from at the White House. Toby is assigned to meet with World Bank protesters while C.J. meets with the Cartographers for Social Equality. Meanwhile, after a friend of Donna's enlists Sam's help in getting her late grandfather a pardon; and Bartlet is enraged when complications arise surrounding his choice location for his Presidential library.

The mayor's daughter Meg returns and inspires Caitlin to be more spontaneous and free. Paul, Stuart and Carter give Charlie advice about compromising with Julia. This leads to Charlie deciding he's ready to commit, while Julia decides she's not.

When a participant in a TV reality show is murdered, McCoy goes after the producers and network executives for deliberately fomenting hostility among the participants to boost the ratings. All too appropriately, the outcome of the case hinges on a videotape made by a hidden camera.

Tonight, actress Heather Locklear from Spin City.