"Mother Simpson" (Season 7, Episode 8)Homer discovers that his mother Mona faked her death. He has her in his life for a little while, but then it turns out she has to leave again. "Don't forget me," he says as he waves her off into the sunset. She tells him he'll always be a part of her before she is driven away. And then Homer is motherless again. He sits on his car, staring into the distance where she once was. It's a moment that raises lumps in throats every time.