In a preview clip from the episode, the sisters lead Jenner out to the backyard, where a carnivalesque contraption awaits her.
Kourtney, 36, attempts to test out the water balloon component, but ends up soaking Jenner, 60, instead.
“Oh, my god, that is so f--king cold!” the momager squeals. “That is so mean. That was not very nice.”
Then the questioning begins.
“What is my due date?” a very pregnant Kim, 35, asks from afar.
“December the 24th,” Jenner says confidently, resulting in a water balloon dropping on her head after Kourtney hits a target with a green ball.
“Nope! Wrong-o,” Kourtney says.
The next question, about North West's name, results in a pie being smashed into Jenner’s face.
“What is North’s middle name?” Jenner asks, after wrongly guessing it's “South.”
“North doesn’t have a middle name!” Kim replies.
“That was so confusing,” Jenner complains.
Watch the Kardashian-Jenner women duke it out over trivia questions about their family, and tune into Keeping Up With the Kardashians on E! Sunday, January 24, at 9 p.m. EST.
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