Doraemon - Season 2 - Eps 136: Materials Quality Changing Machine
It starts with a baseball thrown into a window. The owner scolded Nobita even though Gian does it but he forces Nobita to admit. He scolded to Doraemon why don't the owner change the glass to metal? Doraemon give Nobita the Materials Quality Changing Machine and he change many things to another material. Gian took it but requested Doraemon to repair it after accidentally turning his house to paper house.
About Doraemon

Title: Doraemon
First Air Date: 1979-04-02
Last Air Date: 2005-06-24
Status: Ended
Rating: 7.7/10 (from 584 votes)
Language: JA
Seasons: 28
Total Episodes: 1835
Network: tv asahi
Genres: Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy, Kids, Family
Production Companies: Shin-Ei Animation
Synopsis
Doraemon is an anime TV series created by Fujiko F. Fujio and based on the manga series of the same name. This anime is the much more successful successor of the 1973 anime.
Cast

Nobuyo Oyama
Doraemon (voice)

Noriko Ohara
Nobita Nobi (voice)

Kaneta Kimotsuki
Suneo Honekawa (voice)

Michiko Nomura
Shizuka Minamoto (voice)

Keiko Yokozawa
Dorami (voice)

Kazuya Tatekabe
Takeshi Gouda (voice)