Doesn't it seem a little odd that Phoebe who has only studied martial arts for a few years would be able to go hand to hand with Yen-Lo who has studied his entire life? Even though the powers intensified in the other world, his powers would also have intensified still making him superior in ability!
Why was the Zen Master so determined that it was his time to die? If he believed so strongly in fate, wouldn't he even consider that meeting a Whitelighter who could save him may possibly have been his?
It wasn't revealed what happened to Yen Lo's body.
It wasn't revealed what happened to the Dragon Blade. Only souls can cross over to the vortex.
When Paige and Phoebe are at the door talking to Mason, the lollipop that Phoebe is holding still has the wrapper on it. When she walks away from the door and is talking to Piper, the wrapper is off.
In the episode is shown that they can use water as a portal to another world. When we see the scene in the attic, the water-portal shows us the Master Zen from above. So, why when they go in the portal do they appear in another side (in a cave)? The portal should take them to the place that is being shown by the water (just above the Master).
Despite the fact that the vortex is meant to be a place where a soul passes to the next life, the Master Zen introduces his body in it. Shouldn't he be the first one to know that is a vortex to the souls and not the body?
When Yen-Lo is killed and the Limbo turns to normal, we can see in the right side of the screen that the grass and the sky don't change (despite the left side having changed already) and that on the same side a little tree appears. It is clearly a camera effect, the plant is in the front of the screen so the grass and the blue sky would be hidden. Anyway, if we see it, it makes absolutely no sense that the grass and the sky don't change at the same time.
When Yen-Lo is in the house and he attacks Piper, Paige in Phoebe's body enters and levitates. After that we can see that her hair is clearly another way. Anyway, when they go out of the kitchen, she suddenly has perfect hair again. How is that possible?
When Piper says "We've got a water-loving demon, so Phoebe can you take Paige to the water main. It takes two to turn off that rusty valve." it's wrong. Piper says a water-loving demon, despite that is clearly obvious that Yen-Lo is a person, not a demon. How can she say such a big mistake?
We see a mistake in the scene where Piper changes her body with the Zen Master in limbo. After they have changed bodies the Zen Master, that is now in Piper's body, says "Where's the dragon blade?". Just after that we see Piper in the Zen Master's body, and Yen-Lo is talking about the blade "I was telling you how I stole the blade from your daugther". If Yen-Lo was talking about the blade with the blade in his hands and suddenly the Zen Master went away, why did the Zen Master ask about the blade when he gets into Piper body? He knew already that Yen-Lo had the blade.
When Phoebe (with Paige's soul in her) goes to the door to talk to Mason, the lollipop in her hands is light purple but then when she turns around to talk to Piper it has switched to pink.
TRIVIA: This is the only episode that shows Piper wearing glasses.
When Piper and the Zen master switch bodies and Yen-Lo uses the dragon blade to steal Piper's soul, the Zen master's image is shown as a visualization of the soul, but it should be Piper's image instead.
It's a little thing and a fairly common mistake for this sort of storyline, but accents are a part of the mind, not the body. Yet Piper and the Zen Master do not trade theirs. Nor do Paige and Phoebe, although the difference isn't quite as noticeable. Which also brings up the fact that Phoebe in Paige's body kept all the same characteristics/character traits that Paige already had(only a little more serious), while Paige in Phoebe's body took on a personality that neither of them previously had!
Yen-Lo: Who are you?
Zen Master/Piper: I am...(pause) One with the universe...
Piper (to Phoebe and Paige): Oh my God! You switched bodies!?
(Paige is in Phoebe's body and Cole is questioning Phoebe's behavior)
Phoebe: I'm just very angry, because you...uh...you tore my jog-bra! And now I've got to change.
Cole: What's gotten into you?
Paige (in Phoebe's body): I think Paige is the kind of person who needs to learn from her mistakes... (looks at her body) and believe me, she's learning fast!
Chinese Guy: Well, I'd love to kill your daughter! Wish me luck.
Phoebe (in Paige's body): If you don't fix this, I'll perm your hair!
Paige (in Phoebe's body): I'm sooooo screwed...and frosted!
Leo: Hey what you doin'?
Paige: Preparing for the Source...
Leo: Why? Is he coming over for dinner?
Phoebe: I know, the Source wants us dead...
Cole: No, you don't know - he needs you dead!
Piper: Paige, potions isn't like trig, we're gonna use it!
Phoebe: If you wanted to be on top all you had to do was ask!
Piper: Paige, don't be making me the wicked witch of the northwest. I didn't ask for this big sister gig and frankly it's sucks. But since I'm on a roll, you should get rid of that lollipop habit because it's going to rot your teeth.
Piper: Okay. After mixing your potions, what's the best method to preserve unused sea slugs for future use? A) Pickle them, B) Sugar them, C) Smoke them, D) Freeze dry them.
Paige: Well now, you see, if I had extra sea slugs, I'd let those little suckers go right on back to the ocean.
Paige (while holding the dragon blade that contains Piper's soul): Phoebe, what do I do?
Phoebe: Put it back in the body.
Paige: Now what?
Phoebe: Uh...I don't know. Use your powers. Orb her soul.
Paige scrunches up her face in concentration and orbs Piper's soul back into her body.
Phoebe: Oh, my ankle. I think it's twisted. I need a time out.
Yen-Lo (to Phoebe): Oh, it's you, black belt Barbie.
Phoebe: You're gonna be sorry you said that.
Piper (to Phoebe & Paige): I smell something witchy.
Mason: He said that if he doesn't hurry up and make you a social worker, you'll probably quit and start your own agency. That or end up in jail. He wasn't sure which.
Leo (to Phoebe): Well, here comes your personal trainer from hell.
Paige: My God, what did you have for dinner?
Phoebe: Kung Pao Chicken. Sorry.
International Episode Titles:
Czech Republic: Uveďte démona (Bring in the Demon)
France: La balade des âmes (The walk of the souls)
This episode scored 5.7 million viewers.
The WB used the promo title "Witch Body is Which?" for this episode.
Phoebe (to Cole): What's on today's training schedule - lightsabers?
Lightsabers are a reference to the weapons used by Jedi Knights in George Lucas' six film saga called Star Wars.
Zen Master: It's never too late for redemption. If you enter that vortex, you'll cleanse your soul. Start life fresh.
Yen-Lo: Yeah, as a tapeworm or maybe even a dung beetle. I know how karma works.
Usually it is believed to be a sum of all that an individual has done, is currently doing and will do. The results or "fruits" of actions are called karma. In religions that incorporate reincarnation, karma extends through one's present life and all past and future lives as well. It is cumulative.
Piper: You need to work on your potions.
Paige: Come on!
Piper: Paige, don't make me the wicked witch of the northwest.
It's an allusion to The Wizard of Oz. The Wicked Witch of the West (or simply The Wicked Witch) is a character in the Land of Oz. The character also figures prominently in the classic 1939 movie based on Baum's The Wonderful Wizard of Oz.
Yen-Lo: Oh, it's you... black belt Barbie.
This is a reference to the popular Mattel doll, Barbie.
Phoebe: So what's on our training schedule for today? Lightsabers?
Lightsabers were the weapons used by the Jedi Knights in the "Star Wars" films.
Cole (to Phoebe while training her): When I expand, you contract. When I contract you expand.
This is a reference to the same thing Bruce Lee says in the film "Enter the Dragon".
Title: Enter the Demon
A reference to the 1973 Bruce Lee film, "Enter the Dragon".
Paige: Next up, some powered toadstool. Bam! Let's kick it up one more notch.
While practicing her potion-making, Paige imitates Chef Emeril Lagasse by using his famous catchphrases.
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