In 1 Corinthians 3, Paul reminded the believers who they were and that they needed to be careful about how they built on their lives. It will be revealed with fire, and the fire will test the quality of each man's work. . . . It robs you of opportunities to touch lives and uses up precious time for real service and ministry. Now, don't grab the remote. I'm not saying that all entertainment is bad.
Some entertainment helps relax the mind and encourage the heart.
You may be able to attend a game or go to a concert with a friend as a bridge to reach them for Christ. I'm talking about moderation. A little entertainment is fine. Taking in too much leads to lack of passion for Christ. It will affect your relationship with Christ.