Sarah uses the last name Gale, which is yet another reference to L. Frank Baum's book "The Wonderful Wizard of Oz", this time her choice of last name coming from the book's main character Dorothy Gale.
In Go the objective is to take control of areas by surrounding them with a line of your pieces, while not letting your pieces get surrounded. A corner is the 1-1 poition. Occupying the two places adjacent to a corner, the 1-2 points, captures the corner . The strategy for playing corners differs a bit from playing the center of the board.
This and the following episode accidentally aired in reverse order in Sweden. This marks the second time that Swedish TV6 mixed up the airing of episodes. The first time was the scheduled premiere of season 2, where they accidentally aired the pilot from season 1.
At about 25:48, Xander sings "Golden Bear is ever watching, day by day he prowls." These lyrics are from "Big C," a fight song of the University of California, Berkeley.