Worried about getting his father's approval, Russell gets Liz all dolled up to meet him. Meanwhile, Jeff is more concerned about his guys' weekend being cancelled than Audrey's feelings, and Adam makes a new friend.
Adam is obsessed with the movie 'The Goonies,' and when Beverly's mother's jewelry goes missing, he bands together Erica, Barry and his friends Emmy Mirksy, Dana Caldwell and Chad Kremp to look for the missing treasure, just like the film.
Adam and Emmy are ecstatic their favourite TV game show 'Double Dare' is hosting auditions at their school. But when Adam secretly asks Pops to be his partner and Emmy secretly asks Handsome Ben, the two get into a fight.
As the Legends are about to take off for their next destination, a massive timequake rocks the ship. In order to try and fix what has happened, they are forced to break the one cardinal rule of time travel.