Episode Title:Gets Charged.Episode Description:It's Valentine's Day, and the class is selling light bulbs as a fundraiser. They decide to go to Ms. Frizzle's house to see if she'd like to buy some, but her doorbell isn't working. Tim and Wanda go to find her, and they overhear her reading a "love letter". The class now has to fix the doorbell before Ms. Frizzle's "big connection" comes over.