"Brits watched the episode in confusion because here the potato-based snack is more commonly known as chips."
Arghhh!!! No!
Fries have a cross section of less than about 1/4 inch, and are the constistancy of twigs, chips have a cross section of around 1/2 inch at least, and are internally fluffy and soft.
You can eat chips with a fork, you cannot eat fries with a fork.