|New Invention! The Big-Small Ray Gun|
|Dr. Slump & Arale-chan episode|
|Airdate:||May 13th, 1981|
|Manga Counterpart:||The Big-Small Gun!|
|Remake Counterpart:||Dekachibi Ray Gun!|
|Previous:||My Friend, Mr. Bear!!|
|Next:||The Teacher is Coming!|
New Invention! The Big-Small Ray Gun is the second part of the 5th episode of Dr. Slump and Arale-chan.