After a warm greeting , Bill explains that since he 's been living in Seattle for many years , he has been unable to visit until now .
Nadine is pleasantly surprised to find Bill Thomas , Raj 's long - lost father , at the doorstep .
After a warm greeting , father explains that since Raj 's been living in Seattle for many years , Raj has been unable to visit until now .
Nadine is pleasantly surprised to find Bill Thomas , Raj 's long - lost father , at the doorstep .