I'm not sure why but i've always really liked Time Team, sadly it's been announced that one of the founder members has passed away.
I think it's down to you never know what they might find hidden in the ground, although it was invariably nothing much they managed to build an exciting story around a tiny shard of pottery or a rusty old nail.
I remember I once had an old shareware game (before Time Team) that put you in the place of an archaeologist. You had to manage the budget and decide where to put your trenches. It was fairly realistic as it happens as I found nothing either. It was fun though.
Anyway, rest in peace Mike Aston.