The Movie Timeline - be obsessive, be very obsessive
Hot Tub Time Machine - timeline
Courtney Agnew, future wife of Nick Webber, is born.
One of Lou's balls is crushed by a quarterback on the Bears.
December: Winterfest '86: Adam breaks up with his girlfriend and or she breaks up with him. In both timelines, she stabs him in the eye. Nick Webber and his band are booed or they get popolar. Lou Dorchen and Adam's sister Kelly conceive Jacob. (Kodiak Valley Ski Resort)
September: Jacob is born.
Lou tries to bite Jacob.
Adam, Jacob, Lou, and Nick discover a hot tub time machine. (Kodiak Valley Ski Resort)