Because if someone follows me
without an INVITATION,
Game of Thrones Season 4, Episode 2
Your INVITATION into our home.
Game of Thrones Season 6, Episode 6
...the INVITATION
to join the Arctic expedition.
The Big Bang Theory Season 2, Episode 23
I'm no expert,
but in the context of a lunch INVITATION...
The Big Bang Theory Season 1, Episode 1
An INVITATION.
Breaking Bad Season 3, Episode 11