
The only logical EXPLANATION
is that this is a dream.
The Big Bang Theory Season 5, Episode 20

A simple EXPLANATION,
Breaking Bad Season 2, Episode 3

I'd like an EXPLANATION,
please.
Breaking Bad Season 2, Episode 5

No, no. You gave me an EXPLANATION.
The Big Bang Theory Season 1, Episode 2

...but there is a reasonable EXPLANATION.
While I slept in my sleeper car...
The Big Bang Theory Season 8, Episode 1