1x7 - The Girl from Tomorrow

The girls stake-out Silverthorne but on the first day Jenny loses him. It's Petey who comes up with a new idea while they are putting junk into their shed. So the plan is set and this time when Silverthorne drives off, attached to the back of his car is a dripping can of paint. Through a series of events Alana finds the time capsule hidden in Silverthorne's house. She asks it to send her home, but she's stuck there for another 13 days.