via press release:
Featuring a First-Ever Visit by First Lady Michelle Obama, ABC’s
“Jimmy Kimmel Live” Skyrockets to its Strongest Performance since June
“Jimmy Kimmel Live” (M-F 12:00 a.m.)
Featuring First Lady of the United States, Michelle Obama, in her debut appearance on Thursday (10/25/12), ABC’s “Jimmy Kimmel Live” surged to its most-watched telecast (2.367 million) and its highest-rated among Adults 18-49 (855,000) on any night since June – since 6/12/12 and 6/21/12, respectively. In fact, the Thursday telecast drew the show’s largest overall audience on the night in 5 1/2 years -- since 5/3/07.
Source: Nielsen Media Research, (Live + Same Day, Fast National Program Ratings, 10/25/12), or as dated.