The only logical EXPLANATION
is that this is a dream.
The Big Bang Theory Season 5, Episode 20
I'm sure he's got a perfectly reasonable
EXPLANATION for where he got it.
Breaking Bad Season 5, Episode 10
I'm sure there's
an innocent EXPLANATION
The Big Bang Theory Season 11, Episode 17
The more likely EXPLANATION for your attire
is that you're out of clean clothes again.
The Big Bang Theory Season 2, Episode 19
A more plausible EXPLANATION is that his
work in robotics has made an amazing leap.
The Big Bang Theory Season 1, Episode 4