In the credits for Superstar, Jonathan walking with his billowing coat is an obvious nod towards the Buffy spin-off show Angel.

Joss Whedon is a big fan of the movie The Matrix, and it’s been referenced in Buffy a few times. In Superstar, Jonathan claims to have starred in The Matrix. In Never Leave Me, the butcher calls Andrew “Neo” because of the long, black leather coat he’s wearing (Keanu Reeves’s …

The opening credits were redone temporarily in Superstar to include lots of Bond-style shots of Jonathan interspersed with those of the regulars. One shot, of Jonathan disabling a bomb, could be considered a parody of Xander’s bomb scene in The Zeppo. A few days before filming, Danny Strong was brought …

Jane Espenson, who wrote Superstar, says she realises that the chess puzzle is incorrectly set up. Give the girl a break though, how many of you know how to set the up Nimzowitsch Defense?

Jonathan items in Superstar include Jonathan-Os cereal, a variety of posters, an I Heart Jonathan t-shirt, an autobiography (Oh, Jonathan), an advertisement for training shoes, trading cards, comic books, and a swimsuit calendar. A lot of items are referred to but not seen: at least one CD, two movies (Being …

We discover in Superstar that Jonathan’s last name is Levinson.

John Saint Ryan, who played the Initiative Colonel in Superstar, played ‘Fergus’ in the TV show Roar, ‘McBride’ in General Hospital and ‘Charlie Whelan’ in Coronation Street. He played a ‘Troublemaker’ in the Babylon 5 episode ‘A Day in the Strife’.

Robert Patrick Benedict, who played Adam’s vampire lackey in Superstar, appeared in The Hand Job, Come to Papa, My Dinner with Jimi, Two Days and Not Another Teen Movie. He voiced the character of Vin in the video game Jak II: Renegade. Robert was credited in the opening guest cast …

When Danny Strong performed the scene in the Bronze in Superstar where Jonathan sings, he was apparently very sick with the flu.

The actresses who played Jonathan’s girlfriends - the twins from Sweden - in Superstar are actually from Kentucky, USA. Their names are Julie and Chanie Costello, and they have previously appeared in Dumb and Dumberer, When Harry Met Lloyd, The Italian Job, Spanish Fly, The Drew Carey Show and as …

In Who Are You? we hear Nerf Herder’s ‘Vician’ as Faith (in Buffy’s body) dances in the Bronze, ‘Watching Me Fall’ by The Cure when Faith flirts with Spike and ‘Sweet Charlotte Rose’ by Headland as Faith talks to Willow and Tara.

The Who sang a song entitled ‘Who Are You?‘, which is the same name as the season four episode where Faith and Buffy swap bodies.

Faith as Buffy arguing with herself in the bathroom mirror in Who Are You? is an homage to Robert DeNiro in Taxi Driver.

In Who Are You? Buffy in Faith’s body tries to convince Giles who she really is by mentioning his being a demon (A New Man), his girlfriend Olivia (The Freshman and Hush), blowing up the High School (Graduation Day (Part 2)) and his having sex with Joyce (Band Candy).

In Who Are You? Anya says about Xander, “We were going to light a bunch of candles and have sex near them” to which Faith in Buffy’s body replies, “Well, we certainly don’t want to cut into that seven minutes.” Faith and Xander slept together in The Zeppo.