India, May 28 -- Filmmakers Karan Johar and Farah Khan teamed up again for a video filled with their trademark banter and one-liners. This time, Farah challenged Karan with a fun quiz about Mumbai, and Karan didn't quite ace it. Also read: Farah Khan roasts Karan Johar's 'zebra crossing' bday outfit; shows thousands of flowers, 'Hermes ke dabbe' at his door

Farah took to Instagram to share a glimpse of the episode, where Farah asked Karan to guess the names of some of the suburban areas of Mumbai. She said she has put the quiz together to see how "massy" is "classy Karan Johar".

"Another classic from @karanjohar n me! Let the birthday celebrations continue for full episode go to my YouTube channel pls", Farah wrote while sharing the vid...