First half of season 3 was the best.
Here, however, I draw the line. 2 billion miles? That would be one chicken scratch on the way to eternity. Titan is that close?
On the other hand, in the next episode the following was the best line I have ever seen in this series;
"No. See, I've seen this before and then the Staypuft marshmallow man, 'Aarrgghh' comes down the street. I -- No.
Thought I would die laughing. Keep watching.