Season 4, Ep 5, Aired 11/3/02
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  • Episode Description
  • After Fred's physics article is published; she's invited to speak at a symposium where a portal opens, bringing her face to face with a demon and a dark secret about her old professor. Meanwhile Angel visits a comic book store seeking to solve the mystery and find out why someone would want Fred out of the way.

  • Cast & Crew
  • David Boreanaz


  • Elizabeth Craft

  • Sarah Fain

  • Bill L. Norton

  • Andy Hallett


  • Fan Reviews (11)
  • Fred's revenge

    By joxerlives, Jan 21, 2012

  • Supersymmetry

    By TrueTvWatcher, Dec 17, 2010

  • You know what they say about payback? Well Fred's the b*tch.

    By TwistedConverse, Aug 04, 2008

  • Superinconsistency!

    By lenzinoH20, Aug 16, 2007

  • The truth about what happened to Fred.

    By SMGslayer97, May 10, 2007

  • Trivia & Quotes
  • Quotes (14)

    • Fred: How about a flail whipping? Would that take a nice long time? Angel: Hours, if you do it right. Not that you should do it at all. Ever. Fred: He's a killer. And he's just sitting there smiling, telling me I'm so gifted and how he wants to teach me. Oh, there's gonna be a lesson all right.

    • (about Cordelia) Angel: Wait... you should take her fuzzy slippers... her feet get cold. Connor: I know, she's always stealing the covers.

    • Fred: You know what they say about payback? Well, I'm the bitch.

    • Gunn: All these people here to see you? Fred: I'm just a minor speaker. (sees the agenda posted outside the auditorium) Oh, God! I'm between Ed Witten and Brian Greene? (Angel and Gunn don't react) Think Nomar Garciaparra and Sammy Sosa.

    • Gunn: (Fred is writing a problem on the wall) Never liked the paint in here. Yeah, let's... let's redo the place, really make it ours.

    Show More Quotes

    Notes (3)

    • Andy Hallett is credited as Special Guest Star.

    • This marks the first and only time we see Cordelia's parents. They don't appear in person though only in one of the pictures that Cordelia hangs up to help her remember who is who.

    • Elizabeth and Sarah wrote "Supersymmetry" with the intention of having Fred kill Professor Seidel. Tim Minear rewrote the script to have Gunn killing him instead.

    Trivia (4)

    • The photo of Fred and Gunn appears to be a studio still of the night Angel took everyone to the ballet in Season 3 since no one had a camera in the balcony where the scene takes place.

    • When Angel catches Connor sifting through Cordy's things in the beginning... shouldn't he have known it was him by smelling his scent? He seemed to only know when he saw his face.

    • Watch the floor after Fred opens the dimensional portal and you'll notice that every so often the CGI team forgot to insert it in a couple of spots.

    • The vortex Fred creates is sucking in furniture and eventually sucks in Seidel's corpse...but Fred and Gunn just stand there without any indication it's pulling on them.

    Allusions (3)

    • Lilah: If this is about the Jolly Green Demon... Lilah in discussing her past actions regarding Lorne she compares him to the mascot for Green Giant vegetables. 'Ho Ho Ho Green Giant.'

    • Gunn: Think Daredevil. One-eighty-one. I'm Bullseye. You're Elektra. One wins. One dies. Gunn uses terminology that Jared will understand by referencing a set of Marvel Comics characters from the Daredevil series. The #181 edition can be seen in the film Daredevil, which starred Ben Affleck. In this issue Elektra is being killed by Bullseye, using her own sai. Bullseye was later paralyzed in a battle with the mourning Daredevil.

    • Lilah: Yeah, yeah. Hulk smash.
      "Hulk Smash" comes from the Marvel Comics series The Incredible Hulk, as well as the movie, Hulk.

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