Some shows scheduled on Friday nights have been successful as an exception to the rule.
[edit] ABC
1969-74 The Brady Bunch
1970–74 The Partridge Family
1996–2003
pre-WB move Sabrina, the Teenage Witch
[edit] CBS
The phenomenon is now seen in regard to other original programming on CBS as well. Joan of Arcadia, which had a successful freshman year in the 2003–2004 season—and was even renewed unusually early, in January 2004, for the following fall season—was cancelled after its second year.
CBS has also found success in its Friday night lineup with:[8][9]
1978–82 The Incredible Hulk
1978–91 Dallas
1979–85 The Dukes of Hazzard
1981–90 Falcon Crest
1992–96 Picket Fences
1996–2001 Nash Bridges
2003—2008 The Price Is Right $1,000,000 Spectacular
2005— Numb3rs
2005— Ghost Whisperer
2008— Flashpoint
2009— Medium
[edit] NBC
1972–77 Sanford and Son
1984–89 Miami Vice
1999–2002 Providence
1999–2003 Law & Order: Special Victims Unit
(moved to Tuesday night in Season 5)
2003–08 Las Vegas
(moved to Friday night in the middle of Season 3)
[edit] The WB/The CW
2001–07 Reba
2006–08 WWE Friday Night SmackDown Moved to MyNetwork TV
2009-Present Smallville Ratings exceptional for The CW Friday nights