TV fans who may be missing their NBC comedies and dramas during the network’s primetime coverage of the Winter Olympics can now go online to catch up with some of their favorite characters. NBC has produced four-part digital-only spinoffs of “Chicago Fire,” “Grimm,” “Parks and Recreation” and “Parenthood.” The webisodes are available for streaming via NBC.com, Hulu and YouTube this month while the network continues to cover the Olympics from Sochi. Continue reading NBC Offers Digital Spinoffs of Shows During Olympic Coverage