史上首个家庭携笑声回归，在这个充满奇异生物和各种冒险的世界上，他们发现了体育活动、夜宿派对，以及其他奇迹。

Joel, his cynical best friend, Nick, and easy-going little brother, Jamie, are contemporary cavemen who live in the suburban south and simply want to be treated like ordinary thirty-something guys. Despite their attempts at assimilation, Nick doesn't believe mainstream society will ever completely accept them, Jamie seems to take it all in stride and Joel straddles the middle, torn between his friends, his more traditional values and his loving fiancée.

《少年正义联盟》是一部2010年的美国电视动画片，该片由杰伊·奥利瓦、张德培、蒂姆·迪沃尔等导演，杰西·麦卡尼，凯瑞·派顿，杰森·斯匹萨克等配音，首部剧集于2010年11月26日在美国首播 。描绘了第16宇宙空间中的地球上，诞生了几位新的少年版正义联盟，他们附属于正义联盟，同时接受超人英雄们的指导和帮助迅速成长的故事。