S4·E7 The Dinner (aka Felicity's Grand Design)

Now 16, Felicity, decides that a romantic evening with Gus is what their relationship needs. She schemes to empty the house so she and Gus can dine alone. Gus has no idea that they are to dine alone. Alec and Janet return home, from dinner at the White Sands, and although the situation that the two young lovebirds are caught in is totally innocent, Gus is banished. Sara tries to help, but it only makes matters worse. Gus faces Alec, man to man, and asks for permission to ""See, Felicity, in the open, and with your blessin'"". Alec agrees.