Dr. Slump: Arale-chan - episode 17 - 04 Aug, 1981

Trampire and a werewolf come to Senbei's house for fresh blood and money. Trampire tries to drink Arale's blood, but it's impossible since Arale is an android. Then, Arale and Gatchan start sleepwalking and scare the two monsters away. (Source: Wikipedia)