Season 2 — How I Met Your Mother -

In the season finale, "Something Blue," it is revealed they broke up weeks prior at a restaurant but kept it a secret to avoid ruining Marshall and Lily's wedding. 🧤 Legendary Barney Lore

They navigate living together and sharing their lives. How I Met Your Mother - Season 2

Season 2 is where Barney Stinson evolves from a caricature into a legend. In the season finale, "Something Blue," it is

In the episode "Slap Bet," we learn about Robin’s secret past as Canadian teen pop star Robin Sparkles . This introduces the "Slap Bet," where Marshall wins the right to slap Barney five times at any point in the future. In the season finale

For the first time, we see Ted and Robin as a functional couple.