The category is Magic & Illusion

Always a treat when you-know-who shows up on Jeopardy! This one caught the attention of a certain author on Twitter.

I know this one! https://t.co/y4h3QEjJmX

— Joe Posnanski (@JPosnanski) October 18, 2019

Visit J! Archive to see the full board and all mentions of Houdini going back to 1986.

Related:

• "I'll take Houdini for $1000, Alex."
• Houdini's grand finale: 3 Shows In One
• Joe Posnanski's "Did I Mention" Houdini book tour