The country of Russia has been a Laff-A-Lympics site and the location of several adventures for the gang.
Laff-A-Lympics (TV series)
A moose marathon and a Cossack-dancing race was held there. (Russia and the Caribbean)
Scooby-Doo! (DC Comics)
The gang faced the second part of the Dragon's Eye case in Russia.
They investigated the haunting of a young Russian skater by Father Frost.
They encountered a blowtorch-wielding monster in Russia.
What's New, Scooby-Doo?
They investigated the Frozen Fiend at a Russian ice-hockey match.
Scooby-Doo! Mystery Incorporated
Velma Dinkley and Hot Dog Water went on a mission to Russia for Mr. E.