The lead guest characters were named Elisabeth and James after co-creator David Greenwalt's assistant Elisabeth James.
The word "Yeah" is written in red runic letters on the wall to the right of the door inside Fred's hotel room.
The outside shots of the Buddhist monastery in Sri Lanka is actually footage of a castle in Austria called Castle Hohenwerfen. Production designer Stuart Blatt says the location department extensively researched monasteries from all over Asia before settling on a design for the set for the inside scenes; it was "one of the most fun things so far this year" to create.
The WB began broadcasting in letterbox format from this episode forward. However, the film crew didn't begin shooting for a letterbox format until That Old Gang of Mine (2001); this episode was originally filmed with a shorter aspect ratio and had to be re-transferred to the wider format before being aired. Adam Ward, the first assistant/focus puller, says the show has always framed for letterboxing so the transfer process went smoothly. "We were really happy to do it because it made everything a lot more cinematic," he says.