Board Thread:Theories and Rumors/@comment-33728278-20180717040306/@comment-36592086-20180913195225

There's exactly enough time if they have:

The Special: Four 22 Minute Episodes

Season 10: 10 22 Minute Episodes

Another Short Collection (Like Decoded): 10 5 Minute Shorts

This sounds up to about 358 minutes of content. 6 hours is 360 minutes. Done.