"London Calling" is an episode of The Replacements.
Todd and Riley go to London where their spy car, C.A.R.T.E.R. is sent to teach children in a secret spy school. While there, they uncover a sinister plot and with the help of their parents, C.A.R. and their grandparents, they manage to save the day.
- This is the last episode produced for season 1 according to the production code. Notably "Clue-Less"/"Conrad's Day Off" are the last segments aired before season 2.