Some Mothers Do 'Ave 'Em (1973)

S3E5 King of the Road

Frank starts his new role as a motorbike dispatch rider, but first, he needs to pass a motorbike test. During the exam, the instructor instructs him to circle the block and stop when prompted. However, Frank veers off course, leading the examiner to step in front of a different motorcycle. This mishap sends the examiner to the hospital, while Frank unknowingly continues to ride around for hours, searching for him.