Do they actually? All the previous players dragging this season's cast. They might as well cut the season short and let Amanda win by default at this point.
I think they did watch Big Brother Canada, it's even a joke. I've seen David and Nick tweeting about it. They're also chilling with some cast members from BBCAN. Even Kaitlin was chilling with Topaz. If you don't know Topaz Brady, google her. She's the reason why BBCAN finale was a big giant mess.
In BBCAN, it was all about voting with the house when they ARE the house.
This gif will always be iconic for those who watched BBCAN.
Its pretty obvious someone from jury will get a chance to come back. Julie gave plenty of clues!!!!!
The "Returning evictee" twist is literally one of the most hated twists in big brother. After the whole BB13 one, they should be smarter to not do it again. However i do think that the jury will be MVP for one week.
All the previous players dragging this season's cast. 
They might as well cut the season short and let Amanda win by default at this point.
Once you're out you're out and thats just what i believe
and pov and the meltdowns
I also hope the audience boos them when they come out of the house.