Tom Hiddleston is using his charm to get us to watch season 2 of "Planet Earth," so obviously we're in. Link: http://hellogiggles.com/planet-earth-ii-tom-hiddleston/?utm_campaign=twittersocialflow&utm_source=Social&utm_medium=Twitter
This place has some great science and history ideas for the third grade. These could be edited to work with a higher or lower grade. Third Grade Thinkers: Science: Earth Cycles Need to make sure its accurate to prevent misconceptions!
stunning 4 minute video from the "Planet Earth" series showing different seasons and types of weather--great for science or a language lesson on adjectives--time lapse videography is AMAZING! Plus it shows related videos that look pretty good.