New information from a wrecked Electra, another previously-unknown document comes to light, and new challenges arise.
The TIGHAR team flies 2,000 miles to see if one of Earhart's engines is in an abandoned dump - and gets a surprise.
In the run-up to th Niku IV expedition, unconventional funding and an amazing new witness.
The second TIGHAR expedition to Nikumaroro re-enacts the 1937 U.S. Navy search and finds surprises, frustrations. and new clues.