Suits/Awesome

Mike bringing the bedbug-infested carpet to the corrupt landlord's house. His freakout is just delicious.
Donna more or less gets one any time she appears on screen, but a standout is when she manipulates circles around Louis to avoid having to work for him as a result of a bet.
Rachel's little confrontation with Louis, when he welcomed her back and she demanded [approximately]...

Rachel: I want a raise.
Louis: 3%.
Rachel: 10%.
...
Rachel: And Pearson Hardman pays for my tuition when I decide to go to law school.
...
Rachel: And you should have done this the second I walked in the door: apologize, or I'm filing a lawsuit against you.
Louis: Don't you dare THREATEN me. I followed procedure to the LETTER.
Rachel brings up that Louis has pulled shit plenty of other times and she has plenty of evidence for a case.
Louis (grudgingly): I'm sorry.

Louis tries to use his leverage to get Jessica to make him a senior partner. Jessica's reply:

Jessica: Louis, I do not respond to threats. I make them. So if you ever want to be senior partner, you call your cousin. Now.
Louis: Beat. O-alright.

At the end of the pilot, Mike shows up a his ex-best friend Trevor's place and returns the briefcase that started the whole thing off, telling him he needs to get rid of it more than he wants to give it to him and that they're en. After a second he changes his mind, goes into Trevor's bedroom, takes all his suits, then comes back out, pops up the briefcase to show Jenny the pot inside, and says, "Now we're even."
Whenever Mike manages to fake being an acquaintance of strangers in order to get information from them. An example is when he claimed to be a fellow trader from another company to a bunch of traders, in order to get them to boast about their most profitable trades.
Every single time Mike shows off his superior memory.