Doraemon Eigo Kyoushitsu
English title: Early English with Doraemon
Japanese title: ドラえもん英語敎室
Type: Special
Source: Unknown
Episodes: 3
Status: Finished Airing
Aired: 1988
Duration: 15 min per ep
Rating: PG - Children
Studios: Shin-Ei Animation
Demographics: Kids

"Early English with Doraemon is a short film consisting of mainly of English Children Songs animated to Doraemon. This is a short segment that teaches you to learn to speak English." 

(Source: Doraemon Wiki)