What, you didn’t think TVLine would let the 10-year anniversary of the split-screen bar scene go without commemoration, did you? On May 10, 2015, CBS’ The Good Wife aired the Season 6 finale “Wanna ...

In short, the black bars appear because the video's aspect ratio doesn't match your TV's. While companies like LG have released 21:9 TVs in the past, they have never really caught on.

For instance, while watching movies, you may notice black bars appear at the top and bottom of the screen. This can be annoying, as it makes a good chunk of your screen go to waste.