My last mentor, Jeremy Cantor, gave a list of shots he thinks every animator needs under his belt. This is why I did a big jump on the last assignment. One of those he suggests is to have a character running. (The last one on his list I'm lacking is to lift something heavy...guess what my next project will be...)
So I kept with the running idea, but had Stewie run after something - gave him a goal. Since my last assignment had a bit of an Indiana Jones inspiration, I went the same route here again.