Chalke appeared as Becky starting in the middle of Season 6 and all of Season 7 .
However , producers wished to return the character to the show and since Goranson was n't available , they recast the role with Canadian actress Sarah Chalke .
actress appeared as Becky starting in the middle of Season 6 and all of Season 7 .
However , producers wished to return the character to the show and since Goranson was n't available , they recast the role with Canadian actress Sarah Chalke .