Buried in Concrete/Daddy Longlegs/Jet Taxi

Plot:

In this episode of MythBusters, Jamie and Adam make a brave attempt to solve a legendary mafia mystery by searching for the decomposed body of Jimmy Hoffa allegedly buried in the concrete under Giants Stadium. The MythBusters will then fire up a jet engine and find out if the power and force of a 737 could launch a taxicab backward 75 feet, and finally -- will Adam's arachnophobia prevent him from finding out if the Daddy Longlegs is the most venomous spider? The MythBusters don't just tell the myths, they put them to the test.