This CSI screencap contains
televisie-ontvanger, televisie, tv, tv set, idiot doos, boob tube, telly, goggle box, televisie ontvanger, and idiot box.
There might also be
high definition televisie, hdtv, hoge-definitietelevisie, familiekamer, portret, headshot, and close-up.
Jack picks up on the vibes between Sara and Grissom. We learn the name of their dog is Hank, not Bruno (his actual name). A reference to Sara's ex, perhaps, of just coincidence?