The Two Men - S1.E6

When Frank and Col go looking for love in a local pub, they find themselves coming home with two extra people... two girls. But the next morning when the girls have left they find a police officer knocking on their door & accusing them of a robbery. Frank and Col then become fugitives looking for who really committed the robbery. Even after a final showdown in a car park, Frank remains convinced that they are the two men.