THE X-FILES
Fox, 8:00 p.m. ET
SEASON FINALE: For some reason, it’s a big night for season finales and premieres. One of tonight’s finales is the season ender of The X-Files, with the episode called “My Struggle IV.” And a concern, with this series that began in the 1990s and was recently revived, is that few people are following or caring about this show’s ongoing mythology episodes — to be able to recall “Struggle I” and “II,” or even to know to whose struggle it’s referring. But if you’re still loyal, and still watching this series, the truth is in there…