As the Sadie Hawkins Dance nears, Buffy faces inner demons as she feels responsible for Angel's epiphany, meanwhile Sunnydale High is even more dangerous than usual as the ghost of a former student who killed his sweetheart and then committed suicide haunts the halls forcing people to relive the moments that killed them over and over.

Dawson asks a classmate out (whom he knows has a crush on him) on a double date with Jen and Cliff; but very quickly his date catches on his plot to get Jen Back. Meanwhile, in order for Pacey to pass biology, and Joey to get enough extra credit to get her A+, their teacher assigns them on a group project - where they finally bond as friends, causing Dawson some jealously.

John Cleese puts his zaniness to good use in a two-part guest shot as a new professor who's even nuttier than Dick. And smarter. He's hotshot Dr. Liam Neesam, and he's a little too good at everything he does. He makes his first appearance in Part 1, as Albright (Curtin) is getting fed up with the fact that Dick - and the rest of the Solomons, for that matter - are "weird". "It's like being around the Addams Family", she moans. So Dick sets out to make his brood "average", and succeeds so completely that Albright finds him boring. Enter the off-kilter Dr. Neesam, who she thinks is kind of charming.

Dick has a rival for the title of Pendelton's nuttiest professor - and a rival for Albright's affections - with the arrival of the mysterious Dr. Liam Neesam. Meanwhile, Sally feels that she's losing her touch with men after Don seems to lose interest in her.

Spring fever hits klutzy Dharma, moving her to dance naked on the roof (in full view of a newscast helicopter and, hence, an appalled Kitty), carpet the apartment with live grass and enter a ballroom dancing contest at the Montgomerys' posh country club. Reluctant Greg insists they should accept that they have no chance of winning and merely enjoy themselves, but Dharma confesses to her parents that for once in her life, she's like to be competitive at all costs. Trouble is, the brunt of her aspirations is borne not by her competition but by Greg.

Members of the JAG team encounter resistance from Navajo tribal elders when they insist on DNA testing to verify that human remains are those of heroic Navajo "code-talker" Jimmy Blackhorse, who has been missing since World War II. Forensic pathologist Lt. Cmdr. Teresa Coulter joins Harm and Mac on the case.

An unprecedented look at a dangerous predator, this is the second of three natural history programs hosted by Sir David Attenborough. Surviving virtually unchanged since the days of the dinosaur and found throughout the world, these remarkable creatures have the tools for survival. Long known as vicious hunters, new photographic techniques now allow us to see them cooperating with each other and protecting their families. From tiny babies hatching from the shell we see them grow into great beasts capable of standing up to the lion and bringing down a zebra.

Niles finally decides to ask Daphne out to dinner, but when the moment comes, he can't quite get up the nerve.