Sophia Crawford, Buffy’s stunt double, said that Doppelgängland was her favourite episode in the October 1, 1999 issue of Entertainment Weekly.

Ethan Erickson, who played Percy West, started out as a gymnast before turning to acting. Joss Whedon gave Ethan his role on Buffy after he performed a back-flip at his audition. Ethan dated Rose McGowan in 1998. He appeared on an episode of Friends (as Dirk in ‘The One With …

The manacles at Angel’s mansion were used on Angel in Beauty and the Beasts, Faith in Consequences, and on Buffy in Enemies.

Willow meets fellow wicca Michael off-screen in Consequences, and the two attempt to de-rat Amy Madison. Amy turned herself into a rat in Gingerbread, which is the first episode in which we met Michael. They don’t succeed and it takes Willow nearly 3 years to free Amy.

The Watcher’s Council Disciplinary Committee attempt to kidnap Faith to take her to England in Consequences but she escapes. They try this again in season four’s Who Are You?, and manage to bungle the job yet again.

The Channel 14 News is seen in a few episodes: Consequences (Joyce and Buffy watch the news about Alan Finch’s murder), Goodbye, Iowa (when Adam kills a boy), The Harsh Light of Day (when a road caves in due to Spike’s tunnelling) and Who Are You? (when hostages are held …

Cordelia checks out books by Sigmund Freud and Carl Gustav Jung for her psychology class in Consequences.

In Consequences, Buffy says Faith is “all zipidee doo dah” - a reference to the song from The Song of the South.

We hear Kathleen Wilhoite’s song ‘Wish We Never Met’ in Consequences, when Willow cries in the bathroom after finding out Xander slept with Faith. Kathleen is also an actress. She played the recurring character Chloe Lewis on ER.

Angel tries to reason with Faith in Consequences, which he does again later in season one of Angel (’Five By Five‘) when Faith “cries for help” by torturing Wesley.

In Consequences, Wesley calls the Watcher’s Council and asks to speak to Quentin Travers, who first appeared in the episode Helpless.

Wesley and Cordelia are instantly attracted to each other when they first meet in Consequences. Their relationship turns into a solid friendship in the spin-off series Angel, but not before they share an uncomfortable kiss in Graduation Day (Part 2).

Willow discovers that Xander slept with Faith in The Zeppo, which upsets her greatly. Seems he only likes girls that Willow doesn’t like (Cordelia, Faith and later, Anya).

Faith finally turns to the dark side at the end of Consequences by going to the Mayor to ask for a job.

Amy Powell, who played the newsreader in Consequences, played the same role in Goodbye, Iowa and Who Are You? Amy also played a reporter in The Bird Cage and Showtime.