"What's wrong? Don't scare me, please. What's going on?" Kim cries in the clip, after just arriving in New York City ahead of her expected appearance at the Angel Ball.
"He's like crying on the phone to me, and he wouldn't say what's wrong," Kim tells sister Kourtney Kardashian and mom Kris Jenner after hanging up the phone. "And I'm like, 'Tell me what's wrong.' I just, like, don't know what to do."
West was hospitalized at UCLA Meidcal Center for exhaustion on Nov. 21, shortly after canceling his remaining Saint Pablo tour dates. The father of two was released nine days later, with Kim by his side.
While the 36-year-old reality star relives her husband's hospitalization on TV, she's also spending some quality time with her daughter, North West.
Kim took to Twitter on Thursday to share a sweet new pic of the 3-year-old, writing, "My cutie!"