Sirius stopped when Cas came back and stood up with Harry holding the hysterically giggling little toddler by his ankles. "I believe this belongs to you, why don’t you take Harry across? I’ll Floo with the little thunder cloud over there – just in case she decides to try and shove you out of the wrong grate, and Remus can bring Harry’s toys?" He suggested as he "dropped’ Harry into Cas’ arms.