"Do you want me to take care of this for you, little boy?"
Claire laughing at Steve when he finds out the guns she gave him are empty.
In Chris' Battle Game, you will end up trekking through a bathroom. If you walk up to the sink and interact with it, Chris actually looks at himself in the mirror and then fixes his hair up. Another part of his Battle Game also allows you to interact with a lion's head decoration, in which Chris looks into the mouth, reaches his hand inside and gets it stuck, and pulling it free.
Alfred's absurdly narmylaughter. All seriousness he's supposed to have as a villain just gets thrown out of the window.