, the online TV episode site run by ABC/Fox/NBC, currently has 137 Christmas episodes of TV series available for your free
, then in the "Video type" drop-down menu at the upper left, select "TV Full Episodes".
Among the TV series:
Party of Five, Married…With Children, The Office, Lou Grant, Barney Miller, ALF, Silver Spoons, Chicago Hope, The White Shadow, Father Knows Best, The Donna Reed Show, Welcome Back, Kotter, Square Pegs, Alfred Hitchcock Presents, Dragnet, The Addams Family, The Mary Tyler Moore Show, The Bob Newhart Show, Reba, My So-Called Life, NewsRadio.
Christmas episodes of CBS shows are at TV.com