Go Fish

In which Xander joins the swim team in an attempt to become a big fish in little red Speedos. (Exhibit 'E' in the 'Xander is Hot' debate)

Official back-of-box synopsis:

Something's fishy when a monster starts preying on members of the high school swim team. While Buffy takes it upon herself to become the protector of the star players, Xander goes undercover to discover the truth about the missing team-mates.

From the old WB Buffy website:

SOMETHING FISHY -- When a monster starts preying on members of the high school swim team, Buffy takes it upon herself to become the protector of the star players. Meanwhile, Xander goes undercover to discover the truth about the missing teammates and ends up revealing a rarely seen side of himself.

Cross-reference:

episodes in which humans die in conflict with Buffy:

• The Pack
  the Zookeeper
• What's My Line? (part 1)
  the assassin at the ice-rink
• Homecoming
  Hans and Frederick Gruenshtahler
• Revelations
  Gwendolyn Post
• Spiral
  Some of the Knights: they're human, right?
• this episode
  Coach Marin and Nurse Greenliegh

Cast:

• Sarah Michelle Gellar as Buffy
• Alyson Hannigan as Willow
• Nicholas Brendon as Xander
  

  ---

• Anthony Stewart Head as Giles
• Charisma Carpenter as Cordelia
• David Boreanaz as Angel / Angelus
• Armin Shimerman as Principal Snyder
• Danny Strong as Jonathan
• Jeremy Garrett as Cameron
• Wentworth Miller as Gage
• Conchata Ferrell as Nurse Greenliegh
• Shane West as Sean
• Jake Patellis as Dodd
• Charles Cyphers as Coach Marin