When Ben goes through the gate he ducks under the chain holding them close but the padlock on the chain is clearly undone.
In an episode that took place not that long ago, Olive was attending her prom. Proms take place in May or June, yet when Ben and Mick and Astrid go to look for Robin, it's snowing outside. How is it snowing in late spring or early summer? And why is it only cold near this place? All the other nearby locations don't seem cold at all.