
So far they’ve confirmed
that they’re building a TUNNEL.
Money Heist Season 1, Episode 13

Are the stewards responsible
for maintaining the TUNNEL?
Game of Thrones Season 4, Episode 7

DOLORES:
That night in the TUNNEL...
Westworld Season 3, Episode 8

Come on, those in the TUNNEL, here.
Money Heist Season 1, Episode 11

Lord Snow here recommends
sealing the TUNNEL,
Game of Thrones Season 4, Episode 7