Elvis returns to Vegas and encounters Howard Hughes, a gang of evil spies and a nuclear airplane, while Bertie deals with Scatter's reckless behavior.

Elvis goes through on-the-job training when the Commander sends him on his first TCB mission to find a possible new weapon at the Altamont Free Concert.

Elvis, CeCe, Bobby Ray and Scatter head to Washington, D.C., for a mission to intercept a file that could reveal the TCB to an unknowing President Nixon.

Before Elvis performs at a USO event in Vietnam, he and CeCe meet an unexpected contact as they investigate the possible use of the mind-control weapon.

As an Elvis fan convention takes place at The Peabody Memphis hotel, the singer experiences a wild, drug-fueled trip courtesy of Professor Leary.

While Bertie runs some interference with the Commander, Elvis tries to find out what Project Tupelo is — and why he keeps having flashbacks about it.