There are lots of sites on the internet. Like this one.
http://www.laughfactory.com/jokes/joke-of-the-day
The nun from the nursing home ran out of gas a mile from the gas station. The station attendant said she’d have to wait, b/c the gasoline can was being used.
So the resourceful nun searched her car, found a bedpan and filled it w/ gas.
As she filled her tank, one passerby said to the other,’ If that car starts, I’m converting to Catholicism.