故事发生在《夜魔侠》第二季故事几个月后、以及《铁拳侠》故事的一个月后，居住在纽约各处的义警—夜魔侠、洁西卡·琼斯、卢克·凯奇和铁拳侠开始联合起来，组成一个超能英雄团队来对抗手合会这迎面而来的恶势力。
捍卫者联盟 (季节 1)
The H Word 7.3
播出日期: 2017-08-18
运行时间: 51 min
概述: Matt Murdock, Jessica Jones, Luke Cage and Danny Rand investigate criminals and fight injustice, unaware their paths are about to cross.
Mean Right Hook 7.6
播出日期: 2017-08-18
运行时间: 44 min
概述: As a new conspiracy takes shape, Matt finds old habits are hard to break, Jessica gets in over her head, Luke tracks a lead, and Danny meets his match.
Worst Behavior 8.1
播出日期: 2017-08-18
运行时间: 54 min
概述: Elektra's secrets are revealed. Danny changes his tactics. Matt gives Jessica some legal advice. Luke searches for the White Hat.
Royal Dragon 7.8
播出日期: 2017-08-18
运行时间: 44 min
概述: As the Defenders get to know each other over dinner, they're greeted by a series of party crashers -- none of them friendly.
Take Shelter 7.6
播出日期: 2017-08-18
运行时间: 50 min
概述: Elektra's loyalties are questioned, Colleen clashes with an old acquaintance, and Luke proves he knows how to take a hit.
Ashes, Ashes 7.8
播出日期: 2017-08-18
运行时间: 51 min
概述: Stick offers up a theory, Danny finds himself sidelined, and Alexandra learns that it's not easy being the leader.
Fish in the Jailhouse 7.5
播出日期: 2017-08-18
运行时间: 45 min
概述: Matt, Jessica and Luke embark on a desperate search. Colleen and Claire debate heroism. Elektra tries to recruit an all-important ally.
The Defenders 7.8
播出日期: 2017-08-18
运行时间: 55 min
概述: As New York edges closer to disaster, Elektra sees what's beyond the wall, and the Defenders make a last-ditch effort to save the city.
季
集 8