Well, if memory serves correctly, the first time was the end of "Sandcastles in the Sand" and the 초 was not until "The Leap." The first was 더 많이 spontaneous, and afterwards, Barney spent the entire fourth season in 사랑 with Robin. Then in the season four finale, they realized they both had feelings for each other and kissed again, then decided to work out their issues later.
