When setting down a large stack of games, Lucille Ball is so worried that the stack will fall off the deck chair that she keeps her hand nearby to catch them if they do.
When Harry (as Colonel Hart) sits down at the restaurant table with Vivian his cane knocks his hat to the floor. Gale Gordon doesn't bother to pick it up, knowing that by the end of the scene, he'll lose not only his hat, but his wig, too.