Which episodes does Mark Sloan and Lexi Grey kiss in?

Mark Sloan and Lexi Grey share a kiss in several episodes of Grey's Anatomy. Notably, they kiss in Season 7, Episode 18 ("Song Beneath the Song") and in Season 8, Episode 14 ("All You Need Is Love"). Their relationship develops further in Season 9, where they share more intimate moments, including kisses in Episode 2 ("Going, Going... Gone"). These moments highlight the progression of their romantic relationship throughout the series.