Place Biff standees in start locations on board.
Shuffle Event cards into facedown stack on board.
Shuffle Einstein tokens and place next to board.
Place Paradox tokens next to board.
Shuffle Item card decks separately by year.
Draw and place item cards facedown based on difficulty:
| Science Experiment | 2 items |
| This Is Heavy! | 3 items |
| Great Scott! | 4 items |
| Nobody Calls Me Chicken! | 5 items |
Place OUTATIME marker on start space of OUTATIME tracker
Each player:
Oldest player (furthest through time) gets First Player marker.
WIN: Return all items to correct locations in correct years.
LOSE: OUTATIME marker reaches the "game over" space.