At 24:20, Pam is eating fries at the roller disco. The fry in her hand changes three times in between shots. She takes a bite twice but, in the third shot, the fry is still whole.
The German licence plate of Helene's Audi has a wrong format (too many letters and numbers) and it has an emissions testing (AU) sticker which are not issued anymore since 2010. The Berlin taxi has an even more incorrect plate, because the letter combination "BCIF" is invalid and the plate itself has the wrong dimensions. Additionally, the taxi sign on the roof is invalid, too, because it is way too large.
Villanelle gets shot in the back with an arrow at the end of the previous episode and, at the start of this episode, the arrow is removed and the wound treated. Later in the episode Villanelle is rowing a boat, pulling the boat ashore and carrying a duffel bag, all with no difficulties.