Plot hole: In Russia, Soldier Boy is shown heading to the airport, He wanted to get to the US and start his revenge against his team. Problem is: he has no documentation and money to take a flight. Even if he stole the money somewhere, still would be impossible to travel without the proper documents.
Continuity mistake: Whilst Neuman is having lunch with Hughie, when she asks "How'd surveillance go with Termite last night", she has her fork placed in the salad bowl. When the shot cuts to focus on Hughie, the fork is now in her mouth and then she lowers it back into the salad bowl. (00:17:48)
Glorious Five Year Plan - S3-E4
Factual error: The Boys use a Dodge Sprinter to drive around Russia. In Europe and Russia this Sprinter was only sold through Mercedes-Benz.