After an open mic night, JB and KG get a message from Michael Keaton who tells them that the time-space continuum has been disrupted at the Ford's Theater in 1850 and only Tenacious D can fix it.
Jack Black
JB
Kyle Gass
KG
Michael Keaton
The Professor
JR Reed
Time Goblin
Justin Roiland
Abe Lincoln
J.D. Ryznar
J.W. Booth
Dan Harmon
Heckler
Paul F. Tompkins
Club Owner
DeMorge Brown
H.G. Wells
Jen Kirkman
Mrs. Lincoln
Ryan Ridley
1850's Man
Kelly Kubik
1850's Woman
Ron Hassler
Columbus
Jennifer Flack
Cleopatra
Raul B. Fernandez
Robin Hood
Amadeus
Letters to Santa 4
Güeros
When We First Met
Véronique
The Stronghold
Because I Said So
Meet the Robinsons
The Knight Before Christmas
The School of Rock
The Boys & Girl from County Clare
Night at the Museum
Bakuryuu Sentai Abaranger Super Video: All Bakuryuu Roaring Laughter Battle
Towards the Day of Doom
Bill & Ted's Excellent Adventure
Bill & Ted's Bogus Journey
Teenage Mutant Ninja Turtles III
Southland Tales
Bolero
Three Crazy Jerks II
Soul Men
Bill & Ted Face the Music
Wayne's World 2
Spinal Tap II: The End Continues
Adam Sandler: 100% Fresh
A Mighty Wind
This Is Spinal Tap
Bye Bye Birdie
Fear of a Black Hat
Good Luck, Have Fun, Don't Die
Wayne's World
Help!
A Hard Day's Night
A Song Is Born
Bo Burnham: Make Happy
Bo Burnham: What.
Fight for Your Right Revisited
The After Party
We're Back! A Dinosaur's Story
Caveman