Here are the commercial breaks that aired on NBC during the season finale episode of "Las Vegas" and during the beginning of the episode of "Conviction".
00:07 - Break #1
02:23 - Break #2
06:20 - Break #3
09:48 - Break #4
13:57 - Break #5
16:55 - Break #6
17:39 - Break #7
P.S., Everything belongs to their original copyright holders. I do not own anything. So no copyright infringement intended what so ever.