
The more likely EXPLANATION for your attire
is that you're out of clean clothes again.
The Big Bang Theory Season 2, Episode 19

As good an EXPLANATION as any.
The Big Bang Theory Season 4, Episode 20

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

Okay, the simplest EXPLANATION
is usually the right one.
The Big Bang Theory Season 10, Episode 24

Do you have any EXPLANATION
at all?
Breaking Bad Season 5, Episode 9