S1 E1 • Ludwig van Beethoven

Dan is visited by Ludwig Van Beethoven (Jack Black), who shares the lyrics to his most famous compositions.

Première diffusion : 25 février 2016

S1 E2 • Ernest Hemingway

His guest from the past is Ernest Hemingway (Scott Adsit). Dan and Hemingway get to know one another and spend the day drinking, fishing, and fighting.

Première diffusion : 3 mars 2016

S1 E3 • Thomas Edison

His "guest" from the past is Thomas Edison (Jason Sudeikis). Edison becomes obsessed with his legacy and Dan helps him update his history

Première diffusion : 10 mars 2016

S1 E4 • Mary Wollstonecraft

His guest from the past is Mary Wollstonecraft (Aubrey Plaza). Dan introduces Mary to his girlfriend and gets a lesson on feminism.

Première diffusion : 17 mars 2016

S1 E5 • William Shakespeare

Dan is visited by William Shakespeare (Thomas Middleditch) and gives him lesson on modern entertainment.

Première diffusion : 24 mars 2016

S1 E6 • Idi Amin

His guest from the past is Idi Amin (Ron Funches). Idi gets power hungry and Dan and Spencer end up victims of a coup d'etat.

Première diffusion : 31 mars 2016

S1 E7 • Betsy Ross

His "guest” from the past is Betsy Ross (Sarah Silverman). Betsy takes an interest in the 2016 presidential election and lends her flag-making talents to one of the candidate’s cause.

Première diffusion : 14 avril 2016

S1 E8 • Amelia Earhart

His guest from the past is Amelia Earhart (Kristen Schaal). Amelia sets off on a quest to find her earlier lost self.

Première diffusion : 21 avril 2016

S1 E9 • Sigmund Freud

His guest from the past is Sigmund Freud (Nick Kroll). Freud gives Dan and Spencer an impromptu therapy session to work on their issues.

Première diffusion : 28 avril 2016

S1 E10 • Edgar Allan Poe

His guest from the past is Edgar Allan Poe (Paul F. Thompkins). A visiting network executive (Mary Lynn Rajskub) takes a liking to Poe, and Dan uses him to win her over.

Première diffusion : 5 mai 2016

S1 E11 • Buddha

Première diffusion : 10 juin 2016

S1 E12 • John Wilkes Booth

After John Wilkes Booth arrives from the past, Dan tests his acting abilities by casting him as Abraham Lincoln in a play.

Première diffusion : 17 juin 2016

S1 E13 • Ada Lovelace

Dan Harmon's guest from the past is the world's first computer programmer Ada Lovelace, who takes a liking to Spencer.

Première diffusion : 25 juin 2016

S1 E14 • John F. Kennedy

John F. Kennedy arrives from the past; the president and the entire team are threatened by an unwanted visitor.

Première diffusion : 1 juillet 2016

S1 E15 • Harry S. Truman

Première diffusion : 15 juillet 2016