You can redeem them at the Sony Rewards site. A change in the acquisition and use of these points is being made in September, 2014.
Wheel of Fortune - 1983 Wheel Watchers Club 7 23-137 was released on: USA: 21 March 2006
As of 2014, the Wheel Watchers Club was relocated from the Sony Rewards site and integrated into the Wheel of Fortune site (see link below).
Internet users earn spendable points at the Sony "Wheel Watchers Club" online. They enter the bonus puzzle answers on a daily basis. There is another site which similarly provides points for providing the Jeopardy final category. (see the related links)
You receive 10 sony reward bonus points if you answer it before the new puzzle is loaded
Wheel of fortune does not provide contestant information
Go to the site and see if they have a procedure to redeem points
only if the item costs over $101 and the points are not from Jeopardy or Wheel of Fortune they are from Sony Rewards
Wheel of Fortune - 1983 Wheel Watchers Club 7 - 23.137 was released on: USA: 21 March 2006
Wheel of Fortune - 1983 Wheel Watchers Club 14 - 23.194 was released on: USA: 8 June 2006
Wheel of Fortune - 1983 Wheel Watchers Club 14 23-194 was released on: USA: 8 June 2006
Wheel of Fortune - 1983 Wheel Watchers Club 10 23-140 was released on: USA: 24 March 2006
Wheel of Fortune - 1983 Wheel Watchers Club 4 23-14 was released on: USA: 29 September 2005
Wheel of Fortune - 1983 Wheel Watchers Club 4 27-94 was released on: USA: 21 January 2010
Wheel of Fortune - 1983 Wheel Watchers Club 13 23-193 was released on: USA: 7 June 2006
Wheel of Fortune - 1983 Wheel Watchers Club 1 23-11 was released on: USA: 26 September 2005
Wheel of Fortune - 1983 Wheel Watchers Club 1 27-91 was released on: USA: 18 January 2010
Wheel of Fortune - 1983 Wheel Watchers Club 12 23-192 was released on: USA: 6 June 2006