Wheel of Fortune timeline (network)

An incomplete timeline for the daytime version of Wheel of Fortune.

Pilots (1973-74)
September 1973 :

September 1974 :

Season 1 (1975)
January 1975 :
 * Wheel of Fortune debuts on January 6, 1975, replacing Jeopardy! as per contract but in the 10:30 AM slot formerly held by Winning Streak.
 * January 6 has the first discarded puzzle. As mentioned by Charlie during the credits, the contestant who won it was credited with her winnings, a new puzzle substituted, and the program edited.

February 1975 :

March 1975 :

April 1975 :

May 1975 :

June 1975 :

July 1975 :

August 1975 :

Season 2 (1975-76)
September 1975 :
 * By about this point, Milton-Bradley releases two board game adaptations of the show. These are the only versions to use the shopping element, and the only ones to contain Buy A Vowel.
 * As the Milton-Bradley adaptations show, the Wheel's minimum value is increased to $100 by this point.

October 1975 :

November 1975 :

December 1975 :
 * On December 1, in the wake of The Price Is Right expanding to 60 minutes a month earlier, Wheel does the same, expanding to 11:30 (High Rollers does not air during this period).

January 1976 :
 * On January 16, Wheel returns to a half-hour, now at 11:00. High Rollers moves to 10:30.

February 1976 :

March 1976 :

April 1976 :

May 1976 :

June 1976 :
 * By June 7, the Buy A Vowel wedges have been removed from the format. Contestants may now purchase a vowel at any time for $250.
 * By June 7. the second Lose A Turn wedge has been removed from the Wheel.
 * By June 7, the original color-coded contestant score displays are replaced by simple white ones.
 * By June 7, the remaining special wedges (Bankrupt, Lose A Turn, and Free Spin) adopt their normal appearances.
 * By June 7, top dollar in Rounds 2 and 3 are increased to $1,000 and $1,500, respectively.
 * The June 7 show is the earliest episode of Wheel that has been aired by Game Show Network (GSN). It is also one of only three GSN has showed of the daytime run, and the only one hosted by Chuck.

July 1976 :

August 1976 :

Season 9 (1982-83)
September 1982 :

October 1982 :
 * October 22 is Susan's last episode, as she wishes to pursue charity work. As seen on the show's E! True Hollywood Story, she was presented with flowers and many of the crew said goodbye.
 * Beginning on October 25, a trio of guest hostesses begin filling in until a successor is named. It is unknown as to specifically how long Summer Bartholomew, Vicki McCarty, and Vanna White held these roles.

November 1982 :

December 1982 :
 * On December 13, Vanna is officially named the permanent hostess, a role which she holds to this day.