- Ward was on a mission in Paris when he appeared. As he fights two gangsters with his bare hands and retrieves an illegal Chitauri high-tech device from a room, a beautiful French woman walks past him nonchalantly, changes her clothes, and walks away without changing her face. Typical Joss Whedon humor.
- Agent Maria Hill reappears. She was responsible for conveying Chief Fury's instructions to Coulson and ordering Coulson to recruit a seventh-level investigative team.
- Although the mobile headquarters is a huge plane, everyone calls it a bus.
- Much of the show's sci-fi flavor comes from Fitz and Simmons, especially Fitz's tech gadgets and dazzling tech. Fitz can not only restore the circumstances of the crime scene, but also reverse the whole process.
- Why didn't Coulson die? 99% of viewers and critics agreed: What you're seeing now is not the real Coulson, but his high-fidelity humanoid mechanical double. Maria Hill made it clear that the truth of Coulson's resurrection must never be known to him.
Shadows behind the scenes gags
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Leo Fitz: Look at Koenig, running analysis. Well, it looks like we've got our new golden boy.
Jemma Simmons: "New"? As opposed to the original?
Leo Fitz: Yes! Me. And I've been sidelined.
Jemma Simmons: No. Well, I mean, maybe, but in the way that a player is sidelined due to injury in a football match.
Leo Fitz: Football or American football?
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Grant Ward: I went through a... rough stretch. First pair of pants they gave me had a... a button on the back. They took that away. But you fold a piece of paper just right, it gets sharp. When they took that away, I started running at the walls.
Skye: You should have run faster.