What Fairy Tail episode when young lisanna appears with a red umbrella and talks to Natsu?

That specific scene with young Lisanna appearing with a red umbrella and talking to Natsu happens in Fairy Tail episode 168. This episode is titled "The Scars of the Past".

This scene is a flashback showing how Lisanna, Natsu, and Elfman were all close friends as children. The umbrella scene is particularly poignant as it signifies Lisanna's kindness and how she always looked out for Natsu.