The Tomorrow People (US) - Season 1 Episode 12 -

Something seems a little off... Stephen feels uneasy about his fellow trainee Hillary who has a secret agenda of her own. Stephen's mom wants the family to go camping including her new boyfriend Peter, whom Stephen seems to have a difficult time reading. Knowing he is going to be out of town, Stephen asks for Cara and John to make sure that everything is okay with Astrid while he's gone.