Update: Grimm averaged a 2.0 adults 18-49 rating, just shy of its high set in its season one debut.
Grimm returns for its second season tonight and a special Monday late-summer run. On the heels of the Summer Olympics (and its lead-in, Stars Earn Stripes) how will it do? Grimm drew a series high 2.1 live+SD adults 18-49 rating in its first season premiere on Friday, October 28 last year. It also snared its series high in viewers (6.56 million) in its season 1 premiere. Feel free to explain your prediction in the comments!