The more likely EXPLANATION for your attire
is that you're out of clean clothes again.
The Big Bang Theory Season 2, Episode 19
I did say that was
one possible EXPLANATION.
The Big Bang Theory Season 12, Episode 20
No, no. You gave me an EXPLANATION.
The Big Bang Theory Season 1, Episode 2
A simple EXPLANATION,
Breaking Bad Season 2, Episode 3
A more plausible EXPLANATION is that his
work in robotics has made an amazing leap.
The Big Bang Theory Season 1, Episode 4