My Babysitter's a Vampire (2011)

S1E3 Blood Drive

The nurses from Red Rider arrive at Whitechapel High to collect blood donations, and the sight of all that blood proves irresistible to Sarah. Meanwhile, Erica and Rory see it as a golden opportunity. To prevent any mishaps, Ethan and Benny must work hard to keep everyone away from the tempting blood supply.