while teammate Mattias Ekholm played in his 400th. A few weeks later, on November 8, 2018, Sissons ended a 13 game-drought with his second career hat-trick in a 4–1 win over the Colorado Avalanche to help the Predators to their fourth consecutive win. Following his hat-trick, Sissons picked up in scoring and tallied six points, three goals and three assists, in five games in December. One of those goals came in overtime to lead the Predators to their 21st win of the season. By December 21, Sissons had scored seven goals and nine assists for 16 points before being injured during a game against the Chicago Blackhawks. Sissons remained out of the Predators lineup for seven games before returning on January 5, 2019, for a 4–1 win over the Montreal Canadiens. During the 2018–19 season, Sissons was one of the Predators' top penalty-killers and averaged the most time on ice when shorthanded with two minutes per game. Due to his on-ice success, the Predators re-signed Sissons to a seven-year, $20 million contract extension. In the first year of his newest contract, Sissons dropped in production and tallied nine goals and six assists for 15 points through 57 games. On December 28, 2019, Sissons was placed on Injured Reserve to recover from a lower-body injury. On January 21, 2020, Sissons was re-assigned to the Milwaukee Admirals on a conditioning stint while recovering from his lower-body injury. When the season was paused due to the COVID-19 pandemic, Sissons had tallied nine goals and six assists for 15 points through 57 games. This marked the third consecutive season in which he reached at least the 15-point mark. He also placed fourth on the team in faceoff wins by winning 51.3 percent. Once the season resumed, Sissons and the Predators faced the Arizona Coyotes in the Stanley Cup Qualifiers. While staying in the Edmonton Bubble, Sissons worked with Predators reporter Adam Vingan to write a diary entry for The Athletic depicting his experiences. As a result of the delayed start of the 2020 Stanley Cup playoffs, the 2020–21 season began in January. The Predators began the season strong and won six consecutive games before losing to the Dallas Stars. In the losing game, Sissons scored the Predators lone goal in the eventual 4–1 loss. A few games later, Sissons tallied his 100th career NHL point with an assist on Nick Cousins's goal to beat