"Hey, you! Get away from my car!" the Doctor yelled at the teenager that was obviously vandalizing his Bessie. How the hell he had left such a glaring hole in his car's security system that would allow such a thing to happen, he didn't know.

"Doctor, what happened?" Sarah Jane asked.

"That little bastard keyed Bessie!" the Doctor yelled, pointing toward the juvenile delinquent who was legging it down the street.

"Bad Wolf? What does Bad Wolf mean?" Sarah Jane asked as she surveyed the damage that had been done to the Doctor's little yellow roadster.

2006:

"What's this?" Rose asked as she examined the yellowed and ancient looking piece of paper that the Doctor had just handed her.

"It's the bill from when I had to have Bessie repainted because some little brat scratched "Bad Wolf" on her." the Doctor replied.