Mine Your Own Business - S1-E4
Character mistake: When Shaggy and Scooby order Sarsaparilla at the saloon, Scooby says "Two" but he appears to be holding up three fingers.
Character mistake: The episode opens showing "The LLUSTRATED morning " newspaper. Yes, it is missing the letter "i." (00:00:15)
Character mistake: At the border crossing during the car chase there is a mistyped sign below the window reading "Bunesrepublik Deutschland". it should be "Bundesrepublik Deutschland" (00:07:45)
Saga of a Star World (2) - S1-E2
Character mistake: When Starbuck and Apollo cross-wire the lift to reach the lower levels, they forget to undo their handiwork. Convenient to the plot, this oversight allows Boxey to wander into the Ovions' stronghold and require rescuing.
Route 7-11 - S1-E12
Character mistake: In this episode, they constantly refer to the semi as an eighteen wheeler. The tractor would have tandem (two) rear axles with dual tires. This one has only one rear axle on the tractor. Added up, the rig only has fourteen wheels.
Character mistake: The way Henry takes Barry's blood pressure, he will not get any results. Neither the blood pressure cuff nor the stethoscope work reliably through clothing. As a doctor, he should know how to do it right.