Life of Brian is one of Terry Jones' funniest achievements. Particularly memorable bits include the bitter rivalry between the anti-Roman resistance groups, the Judean People's Front and the People's Front of Judea.
The Doctor was puzzled "I'm very sorry but I can't diagnose your trouble, Mahoney. I think it must be drink." - Don't worry about it Dr. Kelley, I'll come back when you're sober...