PBS Time Team America Season 1

Time Team America is an American television series that airs on PBS. It premiered on July 8, 2009. It is an Oregon Public Broadcasting adaptation of the British show Time Team, produced in collaboration with Channel 4 which commissioned the original show,in which a team of archeologists and other experts are given 72 hours to excavate an historic site.
　　The U.S. version features "freelance and university-affiliated experts [who] mostly join existing excavations...[and] arrive with resources that the archaeologists already on the case usually can’t afford and specific questions that, if answered, will advance the understanding of the site."