What? We have that?
www.discoveryeducation.com TONS of videos that you can search by grade level, subject or series. Magic School bus episodes are on here!
go.grolier.com NOVA science can be accessed through here as well as 7 different encyclopedias. Breaks down by lexile as well.
True Flix tons of multimedia resources on Science/SS topics
www.teachertube.com School House Rock videos are on here plus SO MUCH MORE!
youtube.com Dr. Seuss videos and the rest of the world at your fingertips. Be careful to screen your videos AND the ads!