God's Quiz Season 2 (2011)

It's also an medical detective drama about brain

This is the first season of God's Quiz.
Season 1 is more difficult to understand because you don't get extra subtitle or anything about the special illness.

Both are medical related drama and tell the story about people. Though God's quiz is more of a crime mystery drama.

Both are about a sort of scientist accompanied by a detective. In Galileo, the scientist is a physicist. In God's Quiz, the scientist is a doctor. Both dramas also exhibit a romantic relationship between the scientist and the detective. Lastly, both are mystery genres in which the scientist helps solve cases.