Roswell - Season 2 - Eps 10: A Roswell Christmas Carol
Max witnesses a tragedy and is haunted by the ghost of a man he could have saved, leaving him overwhelmed with guilt and questioning his healing abilities. Isabel aka the Christmas Nazi (dubbed by Michael) tries to brighten up the holiday season and Tess tries to became a part of the Valenti family.
About Roswell

Title: Roswell
First Air Date: 1999-10-06
Last Air Date: 2002-05-14
Status: Ended
Rating: 7.692/10 (from 450 votes)
Language: EN
Seasons: 4
Total Episodes: 61
Network: The WB UPN
Genres: Sci-Fi & Fantasy, Drama
Production Companies: Jason Katims Productions, Regency Television, 20th Century Fox Television
Synopsis
Bizarre things start happening in the little New Mexico town where UFOs were spotted in 1947. Cut to 1999, when a cute high-school student saves the life of a teenage waitress. Surrounded by cliques of clever, angst-filled classmates, the two form a bond that threatens the survival of a secret universe involving superhuman powers, a yen for hot sauce and an alien gene pool.
Cast

Shiri Appleby
Liz Parker

Jason Behr
Max Evans

Katherine Heigl
Isabel Evans

Majandra Delfino
Maria DeLuca

Brendan Fehr
Michael Guerin

Nick Wechsler
Kyle Valenti

Adam Rodriguez
Jesse Ramirez

William Sadler
Jim Valenti