Kamp Krusty- She helps him take control of the camp.
Itchy and Scratcy: The Movie- She emplores Homer to let Bart see the film because she doesn't like seeing him suffer and feels he's learned his lesson.
Lisa's First Word- It turns out to be 'Bart', proving that she sees him as a huge part of her world.
The Front- They team up to write new and better episodes of Itchy & Scratchy to save the show. (a weaker example, I'll admit)

Bart's Girlfriend- She implicates Jessica Lovejoy when it becomes obvious she won't confess to stealing from the collection plate to clear Bart's (for once) innocent name.
Girly Edition- She saves Bart from Groundskeeper Willy after realizing her mistake in setting him up in the first place.

Other than those, just about every Sideshow Bob episode could qualify.
These are just from the first 10 seasons.
I hope that helps...

Also, are you interested in the situations where Bart helps Lisa?

It was a fun little project to scan the older seasons for those gems. There's nearly as many with Bart helping Lisa, I noticed. They struck a good balance.

Glad to be of service!
Here's hoping you pull that nearly impossible A+++!

Sorry for turning this topic somewhere in different direction, but I wanted to ask you something...
One member of ISFF has linked one pretty old (if I'm not mistaken) picture on DeviantArt.

http://angel-maxwell.deviantart.com/art/Lovely-Lisa-12173693

Some of the comments about it have made me feel really confused... so tell me, do you see something wrong ot indecent in the picture?

Dagdamor
Nothing about the comments really bothers me but I think I know what you mean. Some of the comments hint at sexually suggestive remarks, right? Comments like "((wow she ish hawt!)) Hawt"? All I can say is that the picture is mostly harmless, but whenever an artist makes a girl look good, guys will naturally comment in such a manner. Unfortunate, I know, but not surprising either.

Anyway, hope I haven't misinterpreted you.

All I have to say is wow.... a fabulously drawn bit of fanart. Based on an equally fantastic fanfic.

I do not see it as sexual, but the picture IS designed to make Leese look elegant and beautiful, as is part of the fanfic, those who have read the fanfic will know the reactions in the fic.

This picture is not smutty, dirty or in any way indecent. It is just a well drawn picture of a beautiful young woman.

For those who have not read Full Life Wo Sagashite, i really do recommend it, even if you are not particularly into fanfic, in itself it is an extremely well written story. It is based on "Full Moon wo Sagashite"

It is really emotional and yet gripping. And it certainly left a mark on me! Now seeing this picture really makes this story all the more special.

Its just the anonimous nature of the internet that makes the majority of guys perverts. There isnt anything wrong with the picture, its the people who interpret it in the way THEY want to see it. In the circles of the net I've strolled across (CS:S, Second Life, YouTube), I've very rarely found a guy who cared about brains over boobs. It would me sick, and embarassed to be among their pathetic half of the species; But my salvation is found by blokes such as the ones who visit this place who CAN look at a picture inteligently and see beauty the same way I do.

So guys (who can read this), give yourself a pat on the back from me We should feel good about being ourselves instead of 'them'.