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.
1993
1976
1948
2004
1996
1981
1989
2001
2002
1973
1982
1983
2017
2005
2007
2008
1921