I already named my favorite, but my least favorite episodes off the top of my head and in no particular order are: Corporate Warriors, Manhattan Manhunt, City of Dolls, Jamalot, Fare Game, Wasted, Stealing Home, All Access, and a few others. Some of the episodes have great moments, a minute here or there, but the overall quality was just bad and sometimes a series of bad moments along with a convoluted plot and terrible acting can ruin an entire episode.
Others I liked or sort of liked besides "Live or Let Die" were "RSRD," "Summer in the City," "Cool Hunter," and maybe "Trapped."
Ali