How many movies have Igor Efimov and Mark Kaplan collaborated on?

They have worked on 5 movies together! Their first movie together was The Adventures of Sherlock Holmes and Dr. Watson: Bloody Inscription (1980) while their highest rated movie together was The Adventures of Sherlock Holmes and Dr. Watson: Acquaintance (1980). They have not worked together since The Adventures of Sherlock Holmes and Dr. Watson: Hunting the Tiger (1980). They are most known for their adventure films together.