The former four-bedroom home of Jeopardy! host Alex Trebek in Los Angeles is on sale for $3.995 million. On Mulholland Drive, the home spans 5,554-square feet in the Hollywood Hills. He built it in1984, the same year he started hosting "Jeopardy!" He sold the 2.05-acre compound 12 years later, but his name remains etched in the master closet.