SEASON PREMIERE: This is the Season 29 premiere for The Simpsons, which has been on TV, as a stand-alone spinoff from the even older The Tracey Ullman Show, since its 1989 Christmas special. Tonight, to start its new year, The Simpsons takes a look back. Way, way, back, to medieval times, in a Game of Thrones-inspired spoof special called “The Serfsons.”