During The Miracle of Birth Part 1, when the guy goes into the operating room, the girl puts the gown on the first doctor. It's barely on, but, in the next, wider shot of him, it's completely on and she's tying the back together.
When the title first appears, it says "Monty Python's Meaning Of Liff," which abruptly changes to "Life" with the title is struck by lightning. Author Douglas Adams (friend of Graham Chapman and occasional Python contributor) contacted Terry Gilliam to ask if he could use the title "The Meaning Of Liff" for a mock dictionary he was writing at about the same time. Adams and the Pythons agreed that the crossover publicity could be mutually beneficial.