Episode #1.5 - S1-E5
Continuity mistake: On the park bench, when Yeom asks Weol-ju "What's with this temper of yours", Guibanjang's corn dog is raised to his chest, but when the shot cuts, it is raised to his mouth and he is eating it. In the same shot, he removes it from his mouth, but then it is back in his mouth in the following shot. (00:09:32)