The next clue
must be HIDDEN
The Big Bang Theory Season 7, Episode 3
He had caches of wildfire
HIDDEN under the Red Keep,
Game of Thrones Season 6, Episode 9
I had been HIDDEN for 11 days
Money Heist Season 1, Episode 1
Maybe they got some ale
HIDDEN away.
Game of Thrones Season 7, Episode 1
She's HIDDEN.
Money Heist Season 1, Episode 4