* DieForOurShip: Amita.
* EnsembleDarkhorse: Oswald Kittner ([[{{Undeclared}} Jay]] [[WesternAnimation/HowToTrainYourDragon Baruchel]]), a fantasy baseball player from "Hardball," was originally going to be another oneshot before fan reaction caused the creators to call him back for "Democracy."
* FamilyUnfriendlyAesop: In the "Hydra" episode, when our cast decides that when it comes to child custody, the self-proclaimed rights of a [[spoiler:surrogate mother]] trump anyone else's, including the biological parents, and to hell with the contract she signed and what the court ruled.
** To be fair, they only made that decision after learning that [[spoiler:the biological mother was dead, the biological father was [[OurClonesAreIdentical nonexistent]], the adoptive father and company were blatantly unsuitable while the surrogate mother and the child genuinely cared for each other]].
* FanPreferredCouple: David/Colby. It seems like half of the fandom ships these two.
** {{Lampshaded}} jokingly by both characters in episodes in the fifth and sixth season. Especially in the sixth season, specifically the episode about the dating bet with Agent Betancourt and in the series finale.
* GambitRoulette: In several episodes the criminals appear to use this. A notable case is the episode which centers around a dirty bomb threat somewhere in LA, which turns out to be fake; the actual point of the threat was to trigger the evacuation of the immediate area, so the crooks could break into a vault without interference. However, the plan requires that the FBI evacuate the right area, which was not revealed by the "terrorists" and which is only determined at the last minute through extreme deductive skill (and nearly incorrectly anyway). Had the FBI guessed wrong, the plan would have failed. Especially since Charlie very nearly did choose the wrong location.
** While similar to the plan in ''Film/DieHardWithAVengeance'' in that movie the criminals were smart enough to call in the threat to force the evacuation ahead of time instead of relying on the police to figure out the bomb threat with very little actual evidence.
* HoYay: In the episode ''Friendly Fire'', Colby, David, and Nikki make a bet on who would show up with the best-looking date; Colby and David win by declaring that ''they're each other's dates'' (Nikki lost when her date walked out on her after learning that she was the cop who arrested his friend for public intoxication when he was actually suffering from food poisoning).
** At the end of the season, David [[spoiler: is leaving for DC and everyone else refers to it as Colby and David's "breakup".]]
** When they're forced to spend time apart, Colby seems to go into withdrawal.
* MeaningfulName: "Amita" (Hindi अमित, amit) means "limitless". Quite appropriate for a mathematician. Her last name too is distinctive, Ramanujan is the name of a [[http://en.wikipedia.org/wiki/Srinivasa_Ramanujan famous Indian mathematician.]]
* TheScrappy: Nikki. She has a four year degree from the streets of Compton, yo.
* TheWoobie: Charlie. There's a reason there is an ''entire subcommunity'' of fanfiction based solely around [[DistressedDude him and his Woobiness.]]
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