sentences:  In a survey conducted by "TVWeek" of professional critics, "Lost" was voted the best show on television in the first half of 2008 "by a wide margin", apparently "crack[ing] the top five on nearly every critic's submission" and receiving "nothing but praise".The May 7, 2007 announcement of a 2010 series end date and the introduction of flashforwards were received favorably by critics, as were the season's new characters.The fourth season was nominated for seven Primetime Emmy Awards, with won one, for Outstanding Sound Mixing for a Comedy or Drama Series (One-Hour).