We discovered in Go Fish that Sunnydale has a beach. That episode and the season five opener Buffy vs Dracula are the only episodes where the Scoobies were seen on the beach.

When Willow corrects Xander in Go Fish, saying that it was Jefferson who wrote that all men are created equal, Cordelia says, “Kept slaves, remember?”. However, her lips clearly say something else: “Kept slaves. Got any more?”, according to the script book. Cordelia’s line was dubbed in post-production.

Shane West, who played Sean in Go Fish, has also appeared in The League of Extraordinary Gentlemen, A Walk to Remember, and Dracula 2000. He plays Dr. Ray Barnett in ER.

Conchata Ferrell, who played Nurse Greenleigh in Go Fish, played Susan Bloom in LA Law, and was in True Romance, Erin Brockovich, Network and Edward Scissorhands. She plays Berta in Two and a Half Men.

Jeremy Garrett, who played the sleazy Cameron in Go Fish, played Todd Wilkins in the TV version of Sweet Valley High. The part was previously played by Ryan Bittle who played Mitch in Out of Mind, Out of Sight.

Splendid play their track “Charge” in the Bronze in I Only Have Eyes For You. In The Freshman Splendid perform “You and Me” in the Bronze. Their unreleased song “Tomorrow We’ll Awake” plays during Xander and Anya’s bedroom scene in Forever.
Angie Hart, the lead singer of Splendid, co-wrote the song …

It’s been reported erroneously that James and Grace could not have listened to the song “I Only Have Eyes For You” in 1955 as it was not written until 1958-59. This is incorrect. Harry Warren and Al Dubin wrote “I Only Have Eyes For You” in 1934 for the film …

Xander’s line “I’m dead as hell, and I’m not going to take it any more” in I Only Have Eyes For You is a reference to Peter Finch’s crazed news anchorman in Sidney Lumet’s Network (1973). The character Finch played was called Howard Beale.

The I Only Have Eyes For You characters Grace and James share their first names with the leading actors in Hitchcock’s fantastic 1954 movie Rear Window - James Stewart and Grace Kelly.

In I Only Have Eyes For You, Snyder says, “I’m no stranger to conspiracy. I saw JFK”. He’s referring to the lengthy movie starring Kevin Costner which examines the murder of president John F. Kennedy.

Buffy says, “You just went O.J. on your girlfriend” in I Only Have Eyes For You. This is a reference to former American Football superstar O.J. Simpson, who was tried for killing his wife, Nicole Brown Simpson, and her ‘friend’, Ron Goldman, in June 1994. He was controversially found not …

Cordelia asserted in Teacher’s Pet that she eats her own special lunch but in I Only Have Eyes For You, she is seen eating spaghetti from the school cafeteria. Maybe finding the headless body of Dr. Gregory put her off her special food?

After a few previous hints (such as in School Hard), it’s revealed in I Only Have Eyes For You that Principal Snyder knows that the school is on a Hellmouth, and is in collusion with the Mayor and the authorities. Snyder flinches when he hears the Mayor’s name - and …

When the episode I Only Have Eyes For You was originally screened in America, it was followed by a public service announcement about teen suicide. The announcement, co-sponsored by Cedars Sinai Medical Center’s TeenLine and the American Association of Suicidology, was voiced by Sarah Michelle Gellar.

Ryan Taszreak, who played Ben in I Only Have Eyes For You, played a soldier in Joss Whedon’s Firefly movie, Serenity. He also played Charlie in Undressed.