
There was
supposed to be a light
at the end of the TUNNEL.
Breaking Bad Season 2, Episode 10

Who made that TUNNEL?
Money Heist Season 1, Episode 8

The Night's Watch
will let you through the TUNNEL
Game of Thrones Season 5, Episode 8

We should have sealed the TUNNEL
while we had the chance,
Game of Thrones Season 4, Episode 9

Into the TUNNEL and out the other side.
Game of Thrones Season 1, Episode 3