Are You Really This Stupid?

is the sixth episode of the second season of the Fruits Basket 2019 Anime.

Summary
Momiji convinces Tohru to join the Sohmas at their vacation house by the ocean for some fun in the sun.

Trivia

 * The episode title is taken from one of Shigure Sohma's lines.
 * Chapters 53, 54, and 55 were adapted for this episode to start off the summer house arc from the manga. The anime shuffled around many scenes from all three chapters to fit them into the length for this episode and also removed a good chunk of content from Chapter 53 to cram everything in.
 * It's confirmed Tohru holds her breath while swimming. Concerned her airheadedness will endanger her, Kyo asks Momoji to teach her.

Anime and Manga Differences

 * The opening scene up to Momiji opening up the doors in Shigure’s house was added for the anime. Unlike the anime, Tohru wasn’t scared by Momiji’s appearance in the manga.
 * Momiji’s invitation to the beach house for several of the other Sohmas were done when Tohru and the boys already arrived there.
 * There were a few lines and small bits removed from the anime with the scene where Yuki is helping Tohru complete her homework, one bit of which includes a flustered Tohru wondering if Kyo may be annoyed if Momiji interrupts his rest before Yuki calms her down.
 * Originally when Tohru and Yuki’s conversation was interrupted in the manga, the wind blew hard enough to shatter Tohru’s bedroom window before Momiji appeared. This led to a few manga-only scenes where the boys have to calm Tohru down as she panics and tend to the damage in her room. The conversation with Momiji and Tohru about their upcoming trip was added for the anime.
 * The scene with Shigure seeing off Tohru and the boys was added for the anime.
 * Parts of Shigure and Isuzu’s conversation regarding the damage to Tohru’s window was removed from the anime since the event never took place.
 * The anime removed a small scene from the manga where Tohru was recalling her awe at seeing the inside of the Sohma summer house.
 * Hiro and Kisa originally arrived a little later in Chapter 55 with Tohru and the boys at the vacation house. As a result, the anime added some extra moments to the scene where Tohru and the boys are at the beach to include Hiro and Kisa in with their interactions.
 * The conversation that Hiro had about Tohru’s obsessive devotion to her mother originally took place while the two and Kisa were looking for stag beetles in the woods with Momiji in the manga.
 * Tohru was originally with the older Sohmas in the manga when they discussed Hiro and Kisa’s situation.
 * Yuki’s fever from the heat originally came from his swimming with Tohru and the boys in the manga. Plus, Momiji was with Tohru and Haru when tending to him.
 * The reveal of Yuki being the capped boy who met Tohru as a child originally took place later in Chapter 59 of the manga.

Episodio 31 (2019) Tu es bête, ou quoi ? エピソード31（2019）