An IRS audit triggers a multiverse crisis, which is honestly the most realistic tax-season plotline going.
Fun fact: Ke Huy Quan hadn't had a major acting role in over 20 years before winning the Oscar for this.
Based on a true story, apparently, which is exactly what you don't want to hear at bedtime.
Fun fact: The real Perron family visited the set and reportedly experienced paranormal activity during filming.