Dirty Jobs - Season 2 Episode 5 -

Mike goes to Washington and helps build a house out of cob, which is basically a combination of sand, clay, and straw.Mike then heads to California and works alongside Dave the bee man to get rid of some bee's infesting a church.Finally, Mike goes back to Washington and helps clean out the old oil from a deep fryer at a Mexican restaurant and then recycle the oil into fuel or bio-diesel.