Bei Xiaobei is a self-abased writer because he feels himself too fat. Because of his poor appearance, he often ran into a wall in real life. Later, he unwittingly finds a long dusty family tree and accidentally crosses through the ages to meet with his ancestors.

该头部喜剧厂牌真人秀德云社班主郭德纲将开启一场史无前例的内部考核，德云社的青年相声演员们将在郭德纲、于谦的带领下，每期挑战一个任务，并围绕着任务创作一段新相声。他们每期重组搭档，定期末位淘汰，最终看这群“说学逗唱”的哥哥们，谁会在这个秋 天，制霸德云，成为德云新一哥。

《能耐大了》是2017年网剧《林子大了》的续集之作