The episode 1.11 Somnambulist marks a change in the opening credits of the show, as Alexis Denisof takes the place of Glenn Quinn as a main character.

Amber Benson became ‘Amber Benson as Tara’ in the guest credits from the episode 5.01 Buffy Vs Dracula. She was a member of the main cast credit montage for only one …

Although Amber Benson (who played Tara) is present in the episode 6.20 Villains as a body, she is not in the opening titles and is uncredited. She was credited in the …

In the episode 3.01 Anne, there is a shot of a lonely-looking woman standing on the streets of L.A. The same image is used in the opening credits of the spin-off …

David Boreanaz did the “previously on Angel” voiceover for the first time on the series in the episode 1.02 Lonely Hearts.

B. J. Porter played Dennis Pearson in 1.05 Rm W/A Vu. His character went on to become Cordelia’s ghostly room-mate, and B. J. did not appear in any other episode - …

Anthony Stewart Head was listed as a guest star in the credits from 6.01 Bargaining (Part One). Alyson Hannigan’s credit from that episode was changed to “Alyson Hannigan as Willow”.

The U.K. video boxsets split the episode Bargaining into its two separate parts. Each one had a set of credits at the beginning of the episode. The DVD release then …

At the end of 7.01 Lessons, Spike is confronted by various manifestations in the form of previous big bads: The Master, Glory, Warren, Drusilla, Adam and the Mayor. The actors’ names …

Marc Blucas’s name was taken out of the opening credits from the episode 5.11 Triangle.

The closing credits of the show were altered in two episodes. The first time was in 1.09 The Puppet Show when the gang were seen performing a scene from Oedipus Rex. …

Two actors are credited in 2.14 Innocence but they do not actually appear in the episode. Their parts were ‘Teacher’ (James Lurie) and ‘Student’ (Parry Shen). Their scenes, in which Buffy …

Emma Caulfield was listed with the regulars in the script for the first time in 4.19 New Moon Rising, though she was not yet added to the opening credits. She had …

Cast listings in the closing credits in TV shows are usually reserved only for background characters with unimportant parts, or those with no speaking roles, but occasionally main characters are …

The opening credits were redone temporarily in 4.17 Superstar to include lots of Bond-style shots of Jonathan interspersed with those of the regulars. One shot, of Jonathan disabling a bomb, could …

Merceded McNab (Harmony) was added to the opening credits of Angel from the episode 5.17 Underneath.

James Marsters (Spike) was uncredited in the original airing of 4.03 The Harsh Light Of Day but was later added to the opening credits. This was so not to spoil the …

James Marsters was added to the opening credit montage from the episode 4.07 The Initiative.

Joss Whedon said that he has always wanted to put a character in the credits the episode where he/she died, and had planned to do this in the opening credits …

Marc Blucas was added to the opening credits as of the episode 4.11 Doomed, an indicator to fans that his relationship with Buffy would be fairly long-term.