Leonard: All right. Well, let me see if I can explain your situation using physics. What would you be if you were attached to another object by an inclined plane wrapped helically around an axis?
Leonard: There ya go.
In this episode, Sheldon and Amy are trying to decide on couples' themed Halloween costumes. Sheldon is standing in front of the dry erase board. There are 2 columns written on the board. One named "Couples I Like" and the other "Couples You Like." Under the "Couples You Like" column, one of the couples is Blossom and Joey. Blossom is the name of the television character played by Mayim Bialik in the 90s and Joey was one of her brothers.