Season 3: Episode 49: Driving Frank
After Frank has one accident too many, Debra decides that the kids can't ride with him anymore, which makes Raymond realize that his dad is getting older. Not only did Frank back into Robert's patrol car, but further investigation reveals that his driver's license is expired! Uncomfortable with the fact the he's not a safe driver anymore, Debra decides she doesn't want the kids in his car. But the most uncomfortable part for Ray is thinking about the fact that his parents are really getting older--and unsafe driving is only the beginning of the journey.