FitzSimmons try to fight off a Chronicom invasion, while Daisy, Mack, and Elena confront Izel and Sarge.
Tropes:
- All Your Base Are Belong to Us: The Chronicoms assault and quickly occupy the Lighthouse.
- As the Good Book Says...: Mack believes that Sarge may be The Antichrist and uses a biblical quote to support his argument. It also doubles as a Call-Back, since Mack has expressed a belief in God and the Devil in previous episodes.
- Back for the Dead: Deke's friend and former bodyguard Agent Trevor Khan reappears — as a corpse in the aftermath of the Chronicom Hunters slaughtering the S.H.I.E.L.D. security forces.
- Back from the Dead: Fitz-Simmons, using a combination of Chronicom and LMD technology and a mental imprint from the Framework, create an extremely advanced LMD of Coulson, effectively bringing him back.Coulson: Hey, guys.
- The Bad Guy Wins: Izel and Sarge are defeated, but the Chronicoms successfully seize the Lighthouse and leave the team on the run.
- Big Damn Heroes:
- May jumps out of the portal just in time to save Daisy from Izel.
- Enoch, wearing Isaiah's skin, prevents Fitz-Simmons's attempted kamikaze attack on the hunters by killing them himself, and then putting the pin back into the grenade they had removed it from.
- Simmons arrives in time to save the team from being killed when the Chronicoms level Izel's temple.
- Bittersweet Ending: Izel and Pachakutiq are killed and the gate to their dimension is sealed, Yo-Yo survives her Shrike possession when Izel dies, and May is put into cryogenic stasis until her injuries can be healed. But Malachi and his Hunters successfully took the Lighthouse, leaving the team on the run again, and Leo and Jemma have also been separated once more; and in an effort to keep everyone safe should either of them be kidnapped by the Chronicoms, neither even know where the other is. Oh, and the team are now in the 1930s.
- Curb-Stomp Battle: The Chronicom Hunters against the S.H.I.E.L.D. crew of the Lighthouse. We have no indication that anyone aside from FitzSimmons and Enoch even survived the attack at all.
- Disney Death: May dies of the wound Sarge inflicted in the previous episode, but seconds later, Simmons arrives and manages to start the process of putting May into stasis for treatment.
- Explain, Explain... Oh, Crap!: When the Shrike hosts stop attacking the barricade in the Zephyr, Elena wonders if they found an alternate route. Daisy explains that there's only one route in, and the only other room they could get to is the armory. Cue brief horror before the barricade explodes.
- Fighting from the Inside: Pachakutiq may have been on Izel's side all along, but Sarge isn't, so he does everything he can to sabotage their efforts, sending May into the other dimension with the sword to stall the other "demons", and is able to stall Izel from figuring it all out until it is too late.
- From Bad to Worse: Right when it looks like nothing can stop Izel's Evil Plan, the Chronicoms invade the Lighthouse. Then Yo-yo gets infected by a Shrike. Then the three monks May killed in Izel's dimension come back to life to fight her again. Then Pachakutiq proves more or less immune to Daisy's power.
- Glamour Failure: Daisy quaking Sarge exposes Pachakutiq's true demonic appearance.
- Half the Man He Used to Be: Mack kills Pachakutiq by bisecting him with Sarge's sword.
- Impaled with Extreme Prejudice: May kills Izel by impaling her with Sarge's sword.
- I Need a Freaking Drink: In The Stinger, after learning that they traveled to the past, Daisy says she'd have a drink, but since they're in the era of Prohibition, it's illegal. (But only in the U.S.A.)
- I Will Only Slow You Down: FitzSimmons send the surviving S.H.I.E.L.D. agents off on their own with instructions to act counter to established protocol, since the Chronicoms are using FitzSimmons's memories to anticipate their strategies.
- Kill All Humans: Malachi orders his Chronicom Hunters to "leave no prisoners" while invading the Lighthouse. By all indications, they do exactly that.
- Kill and Replace: It turns out Enoch had done this to Isaiah offscreen, having survived Isaiah's attempt on his life.
- Leitmotif: A sinister one starts playing for Pachakutiq once Daisy blows his Coulson "shell" off, which continues during his fight with Mack.
- Man Bites Man: Deke resorts to biting the arm of one zombie that grabbed him through the quinjet's undercarriage in order to free himself from its grasp.
- Mauve Shirt: Agent Trevor Khan turns out to be this, after his active part in Deke's rescue earlier in the season, when Fitz and Simmons go to seek out his S.T.R.I.K.E. team amidst the Chronicom invasion, only to find Khan and his teammates all lined up and shot dead in a hallway.
- Nice Job Fixing It, Villain: Since there's no such thing as death in Izel's dimension, Pachakutiq tossing May into the portal allows her to survive being stabbed and kill the monks on the other side, thereby stopping them from unleashing the rest of their race. Izel is forced to go in herself to fight May and open the gateway, and May is ultimately the one to kill her. Izel even accuses Pachakutiq of allowing the remnants of Coulson to do effectively the one thing that could thwart their plans, something that is neither confirmed nor denied.
- No Ontological Inertia: Once Izel is killed, the Shrike (at least the one that infected Yo-Yo, but presumably all of them) dissolve into black goo that can be vomited up without killing the host. Without her song, and with Pachakutiq killed immediately afterwards, the portal is sealed before any more of their kind can pass through it.
- No-Sell:
- Like Izel, bullets don't even bother Pachakutiq at this point.
- Daisy's quake blasts blow away the Coulson "shell" on Pachakutiq, but his true form just strolls through the attack like it isn't even there. She does manage to stagger him later on, when he's distracted by Izel's death, but that only lasts a moment before he begins to power through.
- Not Quite Dead: The wound May took from Sarge was definitely fatal, but being thrown through the portal sends her to a realm where, according to Izel, life and death are meaningless; May's back on her feet in no time, but starts feeling the effects of the injury again when she returns to her own realm.
- Offscreen Teleportation: Simmons arrives at Izel's temple with the Zephyr One at about the same instant that she, Fitz, and Enoch were discussing their emergency plan in the bowels of the Lighthouse. Given the upgrades to Zephyr One, and Simmons' possession of a cryo-stasis unit, it's implied that some time has passed offscreen.
- Sadist: Pachakutiq goes on quite a bit about his fondness for pain and intention to torture Daisy.
- Seen It All: Fitz and Simmons are barely fazed by Enoch telling them that his plan requires them to do the hardest thing they've ever done, and to change the natural course of their lives; Simmons all but shrugs, and Fitz just sounds exhausted.
- Understatement: Enoch's statement when he reveals how he managed to infiltrate the Hunters.
- The Unreveal: The exact terms of Enoch's plan are left unrevealed. We only know that it requires Jemma and Fitz to be physically separated with the former having no idea where the latter is, and they have to travel through time for some reason.
- Voices Are Mental: When "Isaiah" is revealed to actually be Enoch wearing his skin, he begins speaking in Enoch's voice instead of Isaiah's actor Jan Uddin. Justified, considering it was merely Isaiah's skin over Enoch's body, so Enoch had been mimicking his kill's voice until he revealed himself.
- Wham Line: Isaiah addressing Fitz and Simmons after killing his comrades. Although it's not so much the line itself, as it is what voice it's spoken in.
- Wham Shot:
- May dies from her injuries, everyone is on the verge of tears, when suddenly light shines from above, revealing Simmons and a bunch of agents.
- The under-construction Empire State Building is what lets the team, along with the viewers, know that the Zephyr One is now in the The '30s instead of The New '10s.
- The Coulson LMD in the Stinger.
- What Happened to the Mouse?:
- Flint and Piper were last seen being sent off in Zephyr One's Quinjet, with no word on their fate when all is said and done.
- Snowflake is never seen again despite being imprisoned at the Lighthouse, even when the Chronicom Hunters start invading.
- We have no idea what happens to Benson after he's jettisoned from the Zephyr.
- Deke's employees are last seen based at the Lighthouse, right before the operation to infiltrate Izel's temple, which is still underway when the Chronicom Hunters invade the Lighthouse and begin slaughtering everyone in sight, meaning they likely had no time to be moved back off-site.
- Although Simmons arrives in an upgraded (possibly future copy of) Zephyr One, it is unclear whether the same plane is simply left in the jungle outside when Mack, Yo-yo, Daisy, and Deke escape it with their lives.
