Oh snap. I... I don't think I have any applicable comics to reference link to. Um... Um...CATNIP!
See, that's relevant, because, um... Okay, yeah. I choked.
Anyway, you shouldn't be too disappointed, Ellen. Susan might be capable of truly snarky comments, but she's also got that whole "heart of gold under a gruff exterior" dealie going. She probably wouldn't be terribly snarky while watching Christmas specials with someone who'd never seen them before.
Christmas specials they've already seen, on the other hand...