The TIGHAR team flies 2,000 miles to see if one of Earhart's engines is in an abandoned dump - and gets a surprise.
New leads and big plans for TIGHAR's return to Nikiumaroro in 1991.
A quiet return to Nikumaroro and a breakthrough in Fiji.
Evaluating a new witness, planning the work for the second expedition, and dealing with a last-minure crisis.