Complex sentence: They stop doing it when Edith, at first, sniffs the room and picks up the scent, explaining it "smells like bananas", which causes the Minions to start laughing with it and somehow they drool on the screen.
Split into simpler sentences: They stop doing it when Edith, at first, sniffs the room, then picks up the scent, explaining it "smells like bananas". This causes the Minions to start making fun of it and somehow they drool on the screen.