Angel is an American television series that aired on the WB Network from October of 1999 to May of 2004 spanning a total of 111 eleven episodes over the course of five seasons (22 episodes per season). Angel was a spin-off of the popular television series Buffy the Vampire Slayer and featured the adventures of the titular anti-hero Angelus - a vampire in search of a soul, played by actor David Boreanaz. Other Buffy alumni included Charisma Carpenter playing Cordelia Chase, former bratty high school cheerleader-turned-actress-turned-secretary. The season one cast also included the mysterious demon Allen Francis Doyle] (played by the late Glenn Quinn), Los Angeles police detective Kate Lockley (Elisabeth Röhm) and Christian Kane as the antagonist Lindsey McDonald.
The early episodes of the series focused on Angel, taking on the role of guardian - a sort of brooding, dark super-hero, seeking to find salvation by saving the City of Angels, one soul at a time. As the series progressed, more characters were added to the ever-growing roster such as Watcher Wesley Wyndam-Pryce, vampire hunter Charles Gunn, nerdy science whiz Winifred "Fred" Burkle and demonic karaoke club owner Lorne. Two more former Buffy villains, Spike and Harmony Kendall were added to the cast in seasons four and five. As the show progressed, the thrust of the program changed dramatically, with Angel and his personal band of "scoobies" taking on the reigns of the evil law firm Wolfram and Hart. The series ended with Angel and pals running into battle against the forces of the Apocalypse. Their ongoing adventures were continued in the Angel: After the Fall comic book series by IDW Publishing.
Actress Alyson Hannigan, who played the role of Willow Rosenberg in Buffy appeared in three episodes of Angel. She appeared in She appeared in "Disharmony", "There's No Place Like Plrtz Glrb and "Orpheus"