S2 E 13 TO After the Superbowl Pt 2

Jen wears a white top for the catfight scene, but not as much nipple on view as you'd expect. Still, not too bad at all.

S3 Ep 25 TO at the beach

Jen wears a tight figure hugging top for a lot of the ep and there's lots of cleavage and nipple action. A nice ep for breast and nippleage fans.

S4 Ep 14 TOW Joey's dirty day

Jen wears a tight light blue top for most of this ep and there's an awful lot of nipple action throughout. An excellent episode for pokey nipple fans.

S4 Ep 16 TOW the fake party

An excellent scene with Jennifer wearing a very low cut dress and crawling around on her knees giving several views of the bare tops of her breasts. No nipple action, though, as the dress is too dark.

Later on she wears a cheerleader outfit, hint of nipple most of the time, and one scene where she's trying to remove her bra and, while twisting and turning, shows a lot of bare breast as her top gaps open. Sadly there's no screenshot of the exact moments but the one available gives an idea.

S4 Ep 18 TOW Rachel's new dress

Jen wears a negligee for a long scene showing a lot of flesh but no nipple.

S7 Ep 9 TOW all the candy

Starts off in a black suit and white blouse, blouse unbuttoned real low (this seems to happen a lot!). Some tantalising glimpses of bra/camisole top under the blouse and the odd flash of faint nippleage.
The next outfit has a really low cut black v-neck top, and there are some superb views of the naked tops of her breasts as she leans over, but because of the dark colour there's no nipples to be seen. The views down her top are very sexy.

For the last scene she's wearing a tight light blue blouse, her breasts straining aganst the material, and there's a fair amount of nippleage on view throughout the scene.

S7 Ep 11 TOW all the cheesecakes

Starts off in a black trouser suit with white blouse unbuttoned low, breasts straining against the tight shirt, one pose in particular when Chandler shoves a spoon with cheesecake in her mouth, but you have to be quick to catch it. Sadly there's no nippleage.
Next scene is a bulky blue sweater, so fastforward to ... a very tight figure-hugging but dark top for the rest of the episode. No nipples, except for a couple moments out in the hall, but the top is very tight and hugs her breasts and abs. There's the occasional strip of bare midriff, and glimpses of the bare tops of her breasts when she leans forward to cut the cheesecake.

In the final scene there's some fine views of her bare lower back and top of her butt as she kneels on the floor eating the spilled cheesecake. No sign of any whale tail or panties even though her jeans have ridden down real low! Surely not commando???

S7 Ep18 TOW Joey's award

After the previous few episodes with relatively little Aniston action this one makes up for it.

It starts off with her in a tight white top with some fine nippleage. Only a short scene, sadly.
The next top is so tight that even her nipples couldn't poke out! But it's so skintight who cares?
Then there's a very sexy spaghetti-strap red dress, breasts pushing tight aganst the material, and with a bit of nipple action. Well worth a look.

The rest of the ep is a bit of a letdown after that.

S8 Ep 1 TO after "I do"

Jen is in the bridesmaid dress again for the whole ep. Several nice scenes with her breasts heaving out of the top, but no nippleage.

S8 Ep 8 TOW the stripper

Jen wears a brown dress very low cut in the front and there's some really great views of her cleavage and the tops of her bare breasts. Sadly I don't have a screencap!

S10 Ep 4 TOW the cake

When you first see what Jen's wearing you'd think there's not much hope of anything, but you'd be wrong! There's some excellent pokey nipples on view from time to time throughout this episode.