PJ和乔西创办了一家搏击俱乐部，希望能借此把自己的第一次献给啦啦队员。她们离奇的计划竟然奏效了。搏击俱乐部越来越受欢迎，很快学校里最受欢迎的姑娘们就以自卫的名义来这儿互相殴打。而PJ和乔西却陷入了困境，必须在计划被曝光之前找到出路。

As the daughter of an underground hip-hop legend who died right before he hit big, Bri's got massive shoes to fill. But it's hard as she is labeled a hoodlum at school, and faces financial crisis after her mom loses her job. So Bri pours her anger and frustration into her first song, which goes viral, for all the wrong reasons. Bri soon finds herself at the center of a controversy, portrayed by the media, but with an eviction notice staring down her family, Bri doesn't just want to make it, she has to. Even if it means becoming the very thing the public has made her out to be.

四名勇敢者再次穿越回到险象环生的游戏世界中，开启全新冒险。与上次不同的是，变身勇石博士 (道恩·强森 饰) 的是斯潘瑟的外公，外公的好友则变身为语言学家 (凯文· 哈特 饰)，高大威猛的弗里奇变成了中年发福地质学家 (杰克·布莱克 饰)，只有学霸玛莎依旧化身性感打女 (凯伦·吉兰 饰)，斯潘瑟和贝瑟尼却不知所踪。为营救消失的伙伴，四人必须进入全面失控的未知世界，面对难度爆表危险重重的致命关卡，强森领队挑战极限玩命闯关。山崩石裂的险境中命悬一线，与突如其来的凶猛野兽死战到底，他们唯有绷紧神经并肩作战，才能通过生死考验逃出生天。一场惊险刺激又充满惊喜的冒险之旅即将展开！