Taarak Mehta Ka Ooltah Chashmah S01 E2506 Men In Black

"Problems Toh Hain Sabke Saath, Bas Nazariye Ki Hain Baat!"

Champaklal and Tapu leave Gokuldham society to go to their village Bachao but on the way to the bus stop, they are stopped by two men in black who asks them to get into a car with them and say that they've been sent by Jethalal himself. What is Jethalal up to? Who are these men in black?