We're not only below sea level, we're below the ocean floor.
7 seconds sound clip from The Transformers (1984) - The Ultimate Doom: Brainwash (1) TV Series.
You can hear this line at 00:08:40 in the DVD version of the episode.
Quote context
[...]
- A scanner at twelve o'clock, Prime.
- Let's see if they can scan this!
- There's more where that came from.
- Ditto, Mega-dunce! Plenty more!
- We're not only below sea level, we're below the ocean floor.
- Hang a left and straighten out!
- Hey, Thundercracker! This belong to you?
[...]