Chris' life is falling apart, so Dan plays the time travel card with Dr. Cobell to help get Chris' job back; Deb hunts for Hancock and Adams to convince them to return to the past.
John Hancock and Sam Adams engage in a classic duel over a woman; Dan sets up a meeting with a local reporter in hopes of garnering good publicity for Chadwick's.
Under threat of losing tenure, Chris reaches out to John Hancock and Samuel Adams for help spicing things up in his 2017 classroom; Deb's dream of re-opening Chadwick's ice cream parlor is finally coming to fruition.
Dan, Deb and Chris find themselves stuck in 1920s Chicago while Al Capone holds their time travel bag hostage.
Dan, Chris and Deborah's plan to cash in on the fixed 1919 World Series game hits a snag when they encounter a notorious gangster.
The trio heads back to the 1990s to give Dan another shot at finishing the Bellybuster ice scream sundae at a local parlor; Chris tries to save a life.
Deborah discovers that Dan may not be the great inventor he claimed to be back in 1776; Chris is under scrutiny from his mentor, Dr. Cobell, as he works to finally achieve tenure at the university.
Dan seeks Chris' help jump-starting the American Revolutionary War at the Battle of Lexington.
A facilities manager at a small college discovers a way to travel through time and transports himself into the 1700s, where he falls in love and makes new friends; meddling in the past turns out to wreak havoc in the present.