Angel dreams that he and Buffy get married in The Prom. A photo of Buffy and Angel in their wedding outfits appeared in TV Guide before the episode aired, leading to fan hysteria that the two would marry.

It was rumoured that the entire town of Sunnydale would be sucked into the Hellmouth in the episode The Gift. This actually occurred in the show’s final episode, Chosen. Marti Noxon revealed in an interview with the BBC that:
“Originally Joss’s plan was that at the end of season five, Sunnydale …

Some of the Scooby Gang members wore clothes with numbers on them in the episode Bargaining (Part 1). Willow wears ‘11′, Xander wears ‘13′ and Dawn wears ‘7′. In Flooded, Dawn wears shirts with the numbers 2 and 55 on them. Many fans thought they were some kind of cryptic …

There is an unconfirmed rumour that Elin Hampton, the wife of writer/director David Fury, appeared in Gone, in the scene at the Social Services office. She’s the woman who stares at Doris acting strangely. Elin and David co-wrote the episode Go Fish together.

Faith was supposed to tell Riley about the whole Buffy/Angel relationship in Who Are You? but it was edited out of the final script because rumours of this got out to fans before the episode aired.

An internet rumour runs along the lines that at the end of the episode Bad Girls, when Buffy goes to talk to Faith, she was supposed to have discovered Faith dead, having hung herself. This doesn’t seem entirely right as the Faith/Mayor relationship is so integral to this season.

Sarah Michelle Gellar married actor Freddie Prinze, Jr. on September 1, 2002, in Mexico. It is rumoured that Freddie was originally penned in to play Dracula. I can’t find any true evidence for this except for an old interview with Joss Whedon, of which I can’t find the original source. …

When Buffy’s 100th episode approached, fans knew something big was going to happen as it coincided with the final episode of season five. Rumours abounded on the internet, including: Xander being Glory’s other half instead of Ben; the entire cast of Angel to be in the episode; and Willow becoming …

When Sarah Michelle Gellar quit her role as Buffy at the end of season seven, the UK tabloid newspapers printed a story that ex-Neighbours soap actress Holly Valance was to take over the role of Buffy. Joss Whedon had the following to say about this story, in an interview with …

Eric Balfour, who played Xander and Willow’s best friend Jesse in the first two episodes of Buffy, was rumoured to have been offered the chance to return as Jesse/the First in the episode Conversations with Dead People.

Joss Whedon attended high school at (the ultra-posh) Winchester College in Hampshire, England where he took his A levels. An internet rumour states that the character of Giles was based on one of the college’s history teachers, Dr. Peter Cramer. This has never been confirmed.
The school is as far removed …

Some fans claim that in the end scene of When She Was Bad, when Buffy joins Xander and Willow in the classroom, the guy sitting in front of Buffy is James Marsters, who plays Spike (James had not yet joined the cast of the show). It’s definitely not him though …

There are rumours that Joss Whedon hoped the following characters could return for the episode Restless: Cordelia (Charisma Carpenter) to laugh at Willow in her nerdy clothing from Welcome to the Hellmouth again; Faith (Eliza Dushku) for a continuation of the 7-3-0 stuff; and Angel (David Boreanaz) to do the …

There is a green surf board in Xander’s apartment (seen in Bargaining (Part 1)). An unconfirmed fan rumour has it that the board is actually the ‘Lifetime Achievement’ award presented to Sarah Michelle Gellar at the Teen Choice Awards in August 2001. It seems unlikely though, as this episode was …

Some fans believe that Seth Green (Oz) made a small cameo appearance in the season five episode No Place Like Home, when Giles is in the Magic Box, talking to Buffy on the phone. After a closer look, the guy definitely isn’t Seth.