Scroll down the episode guide to October 15. Episode description: "Jessa announces her engagement and courtship to a Ben Seewald."
MSN TV has the same episode title.
Is it more likely that this is for Erin or Zach Bates?
Zap2it episode info: The Duggars visit the Bates; the girls go camping; Jim Bob and Gil are left home in charge of the youngest kids.