CBS
According to early numbers, the goodbye episode earned a huge 9.3/24 in local ratings. That's the highest ratings for the show since Dec. 1, 2005.
To give you an idea about how big that is for Letterman, last night's numbers represent a 127% increase over Monday's episode (4.1/11) with guests Tom Hanks - appearing for the 60th time on the show - and rocker Eddie Vedder.Additionally, "Late Show's" finale beat all primetime shows on Wednesday.
"The Late, Late Show with James Corden" also got a bump from its lead-in. Its early ratings, 2.5/10, are a new all-time high for the program. That represents a 79% increase over last week (1.4/05) and 150% increase from last year (1.0/03).
CBS will release the full overnight ratings later on Thursday, which will include the amount of total viewers.
Letterman's finale episode showed a mix of favorite segments like Top Ten lists and memorable moments. Oprah Winfrey, who Letterman has publicly feuded with, and Bonnie Rait were the guests.