Sheldon and Leonard drop off furniture at Penny's messy apartment, which scares Sheldon. That night, Sheldon sneaks into Penny's apartment to clean and organize while she sleeps, dragging a reluctant Leonard into helping him. The next morning, an upset Penny realizes the changes made in her apartment. Though Sheldon apologizes, Penny remains angry until Leonard apologizes, causing Penny to forgive them.

1. The big bang theory
summary
Sheldon and Leonard goes to Penny's apartment to leave a box of furniture
for her, Sheldon is scared when he sees how messy and disorganized that is
Penny in her apartment. Later that night, while Penny sleeps, Sheldon goes to
his apartment to clean and organize; Leonard catches him and reluctantly
helps him clean.
The next morning, Penny realizes the changes made in her apartment and
gets very upset. Sheldon tries to apologize to Penny but Penny does not
forgive. Later, Raj Penny is in the hall and talk with him, realizing that the
guys were trying to help. Leonard then apologizes, causing Penny hug and
forgive.
description of characters
-Sheldon: It is usually wearing a sweater over a shirt
with logos of superheroes and He loves comics and video
games too
-Leonard: She loves comics and video games and He is much
more sociable than their friends