Nope, Lethe and Aletheia are great. For all the reasons everyone else has mentioned, yes, but I'd be remiss if I didn't add that it gave us Harold's analogy about Reese and Shaw and scalpels and hammers, leading to this: "There's a time for a scalpel and a time for a hammer: It's hammer time." (Oh, and the Morse code…

I really am. And I hate that.

In "Aletheia," the Machine told Control, "I protect you." Echoed pretty directly in this episode, when the Senator asked Control, "Who protects you?" In other words, I don't think Control is panicked so much as slightly uncomfortable with, but ultimately resigned to, trusting that the Machine will find a way.