Sam and Michael are at it again in "Hard Time", lampshaded by Jesse. Sam wants to go undercover in prison to help an old asset of his; Michael refuses to let him go because he was already clocked by the gang:
Michael: Sam, you can't. Listen, I'll do it.
Sam: You'd do that for my friend?
Michael: I'd do that for you.
(Sam makes a "seriously?" face, and Michael nods. Jesse looks uncomfortable.)
Jesse: Okay, I hate to break up this beautiful moment between you two ...