Peg + Cat is a fairly intelligent PBS kids show. Lots of exposure to math & music concepts.
I often sing the "we solved the problem" song when I fix something at work.
I'm pretty sure that my 2 year old daughter feeds off my enjoyment of the show; its the only show she'll start doing a little happy dance to when the opening jingle comes on.
I really like the whole drawn-on-graph-paper look, too.
and panics
Not a good role model.
Same with Caillou, poor guy is too depressed...