Beeblebrox stole the improbability drive ship when he was, in fact, meant to be launching it.
5 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 2 sitcom.
You can hear this line at 00:28:54.700 in the Blu-ray version of the TV Series.
Quote context
[...]
- And, recently voted the Worst-Dressed Sentient Being in the Universe, for the seventh time running.
- Has he got an answer this time? We asked his private brain-care specialist, Gag Halfrunt.
- Well, Zaphod's just this guy, you know?
- Beeblebrox stole the improbability drive ship when he was, in fact, meant to be launching it.
- Hey, kid. What did you do that for?
- I just thought of something.
- Yeah? Worth interrupting a news bulletin about me for?
- Look, can we leave your ego out of this? This is important.
- If there's anything more important than my ego around here, I want it caught and shot now.
- Listen, we picked up those couple of guys...
- The couple of guys we picked up?
- Oh, yeah. Those couple of guys.
[...]