Angel - Season 2 - Eps 20: Over the Rainbow
Cordelia realises she was transported into a demon dimension where humans are considered inferior and sold into slavery. When Angel, Gunn, Wesley and the Host jump through the portal in search of her, they are attacked by an angry mob of villagers.
About Angel

Title: Angel
First Air Date: 1999-10-05
Last Air Date: 2004-05-19
Status: Canceled
Rating: 7.9/10 (from 927 votes)
Language: EN
Seasons: 6
Total Episodes: 110
Network: The WB
Genres: Sci-Fi & Fantasy, Drama
Production Companies: Mutant Enemy Productions, Kuzui Enterprises, 20th Century Fox Television, Sandollar Television, Greenwolf Corporation
Synopsis
The vampire Angel, cursed with a soul, moves to Los Angeles and aids people with supernatural-related problems while questing for his own redemption. A spin-off from Buffy the Vampire Slayer.
Cast

David Boreanaz
Angel

Amy Acker
Fred Burkle / Illyria

Alexis Denisof
Wesley Wyndam-Pryce

J. August Richards
Charles Gunn

James Marsters
Spike

Andy Hallett
Lorne