Watch Boston Legal on ION Television Weeknights 8|7c. ION Television will be airing all time favorite TV show Boston Legal. ION stations will begin airing seasons 1-4 weeknights at 8|7c. Check out ION Television's newly revamped website at www.iontelevision.com! This site will feature numerous new features from streaming video, interactive games, video mash-ups, cast/show information, show trivia, forum and blogs.