This episode has never aired, but you can see some clips at the end of Emil's episode, here is that link again.
Never aired - clips contained in this link:
Episode never aired, but a preview was shown at the end of episode 7. Here is a link to episode 7 with the preview at the end:
Episode never aired, but clips were shown in the season 3 supertrailer. Unlike the other episodes where it's clips at the end, this one it's despersed throughout. Here's a link: