The actress made the revelation in a video while watching key scenes from the Netflix series.
'Wednesday' starts streaming Nov. 23 on Netflix.
The actress also discussed returning to the Addams Family world in Netflix's 'Wednesday.'
Catherine Zeta-Jones and her son, Dylan Michael Douglas, chat with ET at the premiere of 'Wednesday,' streaming Nov. 23 on Netflix.
Christina Ricci chats with ET at the premiere for 'Wednesday,' streaming Nov. 23 on Netflix.
Jenna Ortega chats with ET at the premiere of 'Wednesday,' streaming Nov. 23 on Netflix.
The star of the hotly anticipated series opened up to ET on Wednesday at the show's star-studded Hollywood premiere screening.
The 'Portlandia' star reacted to the fan response to his then-surprise casting: 'I loved it. It got me excited.'
The 'Game of Thrones' alum told ET it took years for her to be able to take Brienne of Tarth's armor off with one hand in minutes.
The actress opens up to ET about working alongside the 'Yellowjackets' star in the anticipated Netflix series.
Fred Armisen and Luis Guzmán chat with ET about Tim Burton's 'Wednesday,' streaming Nov. 23 on Netflix.
Jenna Ortega chats with ET about playing Wednesday Addams in Tim Burton's 'Wednesday,' streaming Nov. 23 on Netflix.
Gwendoline Christie chats with ET about Tim Burton's 'Wednesday,' streaming Nov. 23 on Netflix.
‘Wednesday’ premieres Nov. 23 on Netflix.