Angel, Season 5
Although Angel's fifth (and, regrettably, final) season is one of its strongest, we still seriously missed the presence of Charisma Carpenter's Cordelia, who was left in a coma at the end of the fourth season when Carpenter left the show. Cordy's return revived, she says, by the Powers That Be to help a wayward Angel (David Boreanaz) rediscover his inner hero proved a perfect farewell to the character, with a killer final scene that served as a bittersweet grace note to the show's 100th episode.
Image Credit: Justin Lubin/The WB
Joss Whedon is responsible for some of the most memorable TV of the past 20 years -- ''Buffy,'' ''Angel,'' ''Firefly,'' and ''Dollhouse'' -- and here's the pick of the litter