Okay, the simplest EXPLANATION
is usually the right one.
The Big Bang Theory Season 10, Episode 24
...there is no reasonable EXPLANATION
as to why we're here?
The Big Bang Theory Season 1, Episode 2
The only logical EXPLANATION
is that this is a dream.
The Big Bang Theory Season 5, Episode 20
You’re welcome.
It’s a very plausible EXPLANATION,
Money Heist Season 1, Episode 9
I'm sure there's
an innocent EXPLANATION
The Big Bang Theory Season 11, Episode 17