Board Thread:Spoilers!/@comment-27060727-20161201052050/@comment-1916997-20170307220135

Here's an article about Robin returning:

http://ew.com/tv/2017/03/05/once-upon-time-robin-return-spoilers/

Since this should be his last episode, anything that is not covered in 612 or 613 should be done in this episode.