Okay, so this one didn't get pulled, but episode three of the kid's TV classic The Clangers did cause concern from the BBC after execs reviewed the show's script. Allow the show's co-creator Oliver Postgate to explain:
"When the BBC got the script, [they] rang me up and said 'At the beginning of episode three, where the doors get stuck, Major Clanger says “sod it, the bloody thing’s stuck again”. Well, darling, you can’t say that on Children’s television, you know, I mean you just can’t.'
"I said 'It’s not going to be said, it’s going to be whistled', but [they] just said 'but people will know!' I said no, that if they had nice minds, they’d think 'oh dear, the silly thing’s not working properly'.
"If you watch the episode, the one where the rocket goes up and shoots down the Iron Chicken, Major Clanger kicks the door to make it work and his first words are “sod it, the bloody thing’s stuck again”."
You can clearly hear "Sod it" if you skip to 55 seconds in the video above. Filth.