(Photo by The CW)With all the new channels and streaming services out there, you would think series could just keep going and going and going. Even in this era of Peak TV, however, all good shows must come to an end. Fortunately, there are plenty of other shows to take their place.We’ve put together a list of shows we’re saying goodbye to in 2020. This year will see the end of 13 Reasons Why, The 100, Arrow, Bojack Horseman, How to Get Away with Murder, Supernatural, and more, but they’ll leave room for you to discover more teen dramas, animated comedies, superhero series, and other shows we think you’ll love.Check in with our 2020 Finale Dates Calendar to find out when these shows conclude this year, and add these new titles to your streaming queues or DVRs so you’ll never miss a moment of great television.Is your favorite TV show ending this year? Head to the comments and tell us what you recommend to replace it.