Grandpa's Birthday / Road Trip - S3-E7
Audio problem: Road Trip: When Miriam points out the Wheeler Inn and Big Guy Restaurant while driving, as Helga says, "I really don't think," her mouth does not move. (00:14:56)
Grandpa's Birthday / Road Trip - S3-E7
Factual error: Road Trip: Whenever Miriam and Helga's car is on a broken white line road, the two lanes are moving in opposite directions; lanes on broken white line roads are supposed to move in the same direction. (00:17:15)






Answer: The show is based in present day times. Plus most cars aren't old fashtioned, I recall seeing a limo and not to mention a cherry picker, etc.