In what episodes does tony look at ziva's butt? Can Du please Liste them

Well, I might be forgetting some, but these are the ones I remember right off:

Silver War - season 3
Voyeur's Web - season 3
Singled Out - season 3 oder 4, can't remember
Driven - season 4
Judgement Tag - season 5

Probably Mehr episodes, but this is all I know of at the moment. Hope it helps. ;)