Like others I don't know why this episode gets such bad reviews. I think it's a unique take on how depression can affect people and it's well acted by everyone. Instead, it gets a score that's almost as bad as Once Upon a Time. It's really quite good and one of the more memorable episodes in my opinion. The only bad point is the plot device techno-babble B'Elanna uses with the phaser to save everyone at the last moment.