Sassy Sam Puckett (iCarly) and eccentric Cat Valentine (Victorious) buddy up as roommates after Sam rescues Cat from a garbage truck, they start baby sitting kids. When Sam drives Cat's grandmother to nursing home, Cat becomes upset and they go to get her. However, she doesn't want to leave. Meanwhile, the pair were babysitting leave on a moped and cause the chubby manager of Inside-Out Burger to pass out. When Sam & Cat save his life, he offers them free burgers for the rest of their lives. Later that night, Sam readies herself to leave but Cat begs her to stay and Sam complies.
From:http://en.wikipedia.org/wiki/List_of_Sam_%26_Cat_episodes