In the latest episode of Amazing Saturday, the cast—including SM Entertainment idols, SHINee‘s Key and Girls’ Generation‘s Taeyeon—battled for snacks over a game of “Who Are The Parents?” SHINee’s Key | @amazingsat_official/Instagram The rule was simple: After being presented with two photoshopped pictures of “children” imagined between the cast and their friends, the cast was to guess the “parents.”…