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.

While filming "Change of Habit," Elvis becomes inspired by the moon landing and sets out to try and stop a major drug deal — despite CeCe's objections.

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.

When psychedelic drug professor Timothy Leary gets sprung from prison, Elvis and CeCe trace him to Algeria, where the Commander tries to woo Bertie.

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.

Elvis tries to stop the mind-control weapon from ruining his "Aloha from Hawaii Via Satellite" concert. To help, a stoned Scatter launches into space.