If you get there later and find an empty seat, chances are, it's got poor sightlines. If you want to see everything - unobstructed - arrive early. The shows are a fun mix of music and technology (including aroma-infused sets), but sight lines are troublesome, especially in back, where you're battling large, silver pillars. Covering two levels, it's a bit of a departure from traditional cruise ship theaters, in part because it's designed specifically to host the ship's Playlist Productions, which include LED special effects. Liquid Lounge serves as Carnival Horizon's main theater. Entertainment & Activities Theater and Shows on Carnival Horizon