Ordinarily I despise this show with a vengeance but doing the usual "Breast inflation" search in google and under today at the current time of posting 17hrs ago there is a full episode of Mrs Brown's Boys which features at least 2 uses of an inflatable bra and a sequence of farty bra in which it is malfunctioning.
I would link however I forget the site's policy when it comes to full episodes which it is on Youtube.
The Episode is called Mammy's Inflation
Thanks for mentioning it. I liked it.
Even though the victim is a somewhat old lady, I like how unexpectedly the bra overinflates under her clothes and she damands to her friend to do something and stop it!