This is... cute. Low-key, themed, non-alcoholic, with no one getting rowdy or tossed in the water—exactly the kind of get-together Maureen O'Malley would love to put on, and Mary Grace O'Malley would love to ruin for her.

But, well, without a hovering authority figure here to spite, there's not really a whole lot of fun to be had chuckin' someone in the lake. For now.

"Got a challenge for ya, bud," she says, elbowing Wyatt in the side as they wander up to the scene.