Unfortunately and oddly enough replays weren’t a featured offered in Riot’s League of Legends, or at least until now where the developer has announced that they will finally be adding the feature into the game. They have also announced that the feature will support backpatching, meaning that when the feature rolls out, you’ll be able to watch replays from previous seasons.
“The last time we talked about Replays was about a year ago in our first Riot Pls. At that time, a number of factors led us to deprioritize Replays. Since then, we’ve put a ton of love into League’s global infrastructure (for example creating Riot Direct), prompting us to revisit the conversation. At that point, we realized it was finally the right time for us to explore the feature.”
Prior to this, gamers who played League of Legends had to turn to third-party tools and software in order to record their gameplay for replays, but with this feature that will be native to the game, it will make it a lot easier and more accessible in the future.