![Illogical.
Illogical.](https://content2.mcqstudy.com/ss/tbbt-5-20-00:08:34.704.jpeg)
Illogical.
The Big Bang Theory Season 5, Episode 20
![I'm so disappointed in myself,
jealousy is completely illogical.
I'm so disappointed in myself,
jealousy is completely illogical.](https://content2.mcqstudy.com/ss/tbbt-10-9-00:13:11.249.jpeg)
I'm so disappointed in myself,
jealousy is completely ILLOGICAL.
The Big Bang Theory Season 10, Episode 9
![](https://content2.mcqstudy.com/ss/tbbt-3-17-00:03:07.816.jpeg)
"I pity the fool who's ILLOGICAL."
The Big Bang Theory Season 3, Episode 17
![A fear of heights is illogical.
A fear of heights is illogical.](https://content2.mcqstudy.com/ss/tbbt-2-13-00:14:59.480.jpeg)
A fear of heights is ILLOGICAL.
The Big Bang Theory Season 2, Episode 13