In the episode GOAT lily is teasing robin how she slept with barney while she is lookin after the goat , but later in the episode u found out the goat dosent come into the story till season 4 does that robin&barney will sleep with each other again????
No (well, at least not in the same circumstances, but they might again a 2nd time - I hope!)... basically the entire episode happened the way 당신 saw it, just minus the goat. Narrator Future Ted made a mistake 의해 putting the goat in the story.