Mills Kelly and the Shepherd kids open a HUGE present at the White Elephant Gift Exchange. This would kick off the event known as "The Arming of the Shepherd Clan of 2013" as they got all sorts of weapons that year.
There are days when the HVAC system on Research 1's roof makes the big room at CHNM shake,. The video shows the Monday bagel bag shaking with some force on the table near the bank of windows in the big room.