this is "nightline." >> tonight -- >> there's no greater threat to women than men. we're the number one threat. >> louis ck defending women in his hbo special, but now in real life the comedian accused of sexual misconduct. the new wave of disturbing hollywood accusations. one filmmaker claiming leading man kevin spacey groped him. >> he grabbed me very hard. i felt completely helpless. >> joining a mother who says she's standing up for her son. >> spacey stuck his hand inside my son's pants. plus, "grey's" milestone, a milestone 300th episode. we're going into the o.r. with the cast of "grey's anatomy." >> put the gown on, put the gloves on, then tie your

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got evening. fast-moving developments in the ongoing cultural earthquake in america over allegations of sexual misconduct. the latest name in the headli s headlines, comedian louis ck. meanwhile allegations buying up against actor kevin spacey with many men stepping forward to tell their stories. the list of powerful men in media accused of sexual misconduct grew longer. five female comedians and performers coming forward to the "new york times" with allegations about the xhidian louis ck, several saying louis ck touched himself without their consent during interactions with them. it is an ironic turn for an

entertainer who based much of his career on joking about sexual issues, as he did in this hbo special. >> these days my problem is very simple. it's trying to find a place in my house where i can masturbate without somebody bothering me. >> reporter: a rep for louis ck told abc news he will be issuing a statement in the coming days. another tumbling domino rippling through hollywood as more women and men say they will no longer stay silent about their experiences of sexual assault and sexual harassment. >> it's not so much about are any of the allegations not true? i believe the really haunting question is, what if all of them are true? >> reporter: filmmaker tony montana says he has unfortunately had a front row seat to this sea change in the entertainment industry. >> i heard about harvey and gwyneth and the bathrobe at the peninsula, et cetera. i hadn't heard about incidents involving kevin. until it happened to me. >> reporter: one winter night in

2003, montana says he was hanging out at a bar in los angeles when he suddenly found himself face to face with the actor kevin spacey. >> kevin approached me. i smiled. he leaned in. his right arm was around my shoulder, and he put his hand underneath the bar, and that's when he grabbed me. and he grabbed me very hard. and -- i've never been groped before. and -- and he looked at at at a he -- in a very sobering voice, and this sardonic look on his face, said "this designates ownership." >> reporter: montana trained as a box ee eer and mixed martial artist but ez he froze in the face of assault by spacey. >> he's not a big guy but he's a person with power. and his power at that moment rendered me helpless. >> reporter: he says he bent spacey's thumb back and took

refuge in the bathroom, only to find spacey followed him in. >> i have to literally put my thumbs underneath his armpits and back him away from me. >> reporter: montana says he found the courage to tell his story last month after the actor anthony rapp accused spacey of making unwanted advances in 1986 when rapp was 14 years oel. >> i needed to get this out in me, i needed to get this off of me. >> reporter: montana is one of 14 men who have come forward in the past two weeks claiming spacey sexually assaulted or harassed them. the alleged incidents spanning nearly 30 years. >> kevin spacey bought him drink after drink after drink. and when my son was drunk, spacey made his move and sexually assaulted him. >> reporter: heather unruh says the actor plied her then-18 year old son with alcohol and assaulted him at a crowded bar on nantucket in 2016. >> spacey stuck his hand inside my son's pants and grabbed his

genitals. >> within a very short period he had called his mom. and his mom had called the sheriff's department on nantucket. >> reporter: unruh hired attorney mitchell garabidean who successfully represented survivors of clergy sexual abuse. he was portrayed by stanley tucci in "spotlight." >> the documents are under seal if that's what you're after. >> victims are empowering themselves by coming forward, reporting the abuse publicly. in doing so they embower themselves, other victims, and make the world a safer place for children. >> reporter: spacey apologized to the first accuser anthony rapp over twitter. i honestly do not remember the encounter but if i behaved as he describes i owe him a sincere apology. then came out as a gay man tweeting, i've loved and have had romantic encounters with men throughout my life and i choose now to live as a gay man. >> there's a big difference between being gay and being a

sexual predator, if in fact he was sexual with a 14-year-old, that's a totally different thing than anything hiving to do with whether he's gay. >> reporter: his lawyer did not respond to a request for comment from abc news today, but as previously said the actor is "taking the time necessary to seek evaluation and treatment." >> the power differential which is often seen here for the young person, it's very hard to come forward and say something very bad about someone who is universally admired in the community, for one thing, but also admired by you, perhaps. >> reporter: a long-admired leading man, spacey is known for playing dark and deeply flawed characters, like his oscar-winning portrayal of ad executive lester burnham in "american beauty." >> i'm lester, janie's dad. >> oh, hi, this is my friend angela hayes. >> okay! good to meet you. >> reporter: and president frank underwood in the netflix series

"house of cards," a role that has earned him five emmy award nominations. >> there's no better way to overpower a trickle of doubt than in a floofd naked truth. >> reporter: the industry's response to allegations against spacey has been swift. >> if in a very short time since the first person came forward, they have essentially written him out of "house of cards" and he's been cut from a film that is set to come out in december by ridley scott. >> reporter: spacey has been replaced by the actor christopher plumber in that movie "all the money in the world." spacey's talent agency and publicist have also dropped him. his career may now be in the tank, but if the allegations are true, it's still unclear what legal ramifications he may face. for now both spacey and harvey weinstein are reportedly seeking treatment while the movement to speak out is only growing. >> what i think we're seeing is strength in numbers and a little

less fear that speaking your truth will end your career. >> reporter: the voices of male accusers now a powerful part of the chorus. >> it's a very courageous act, to come forward and say you've been sexually victimized, if you're a male. so it requires deciding that it's braver to come forward than to try to maintain the silence that probably has been eating you up for many, many years. >> reporter: montana says he sees a light on the horizon. >> i'd like to think that the license to misbehave has been revoked. i'm not pursuing anything financially from kevin. i don't wish him any ill will. this unfolding of his career, i do feel like there's some sense of justice in this. >> we'll have much more on this story first thing in the morning on gma. now a much lighter variety of celebrity story. if you watched abc's "scandal" tonight, you saw taylor swift perform a new song for the first time in three years in an

intimate performance from inside her home. but what you didn't see was this behind the scenes footage. ♪ there's glitter on the floor after the party ♪ >> it's official, taylor swift's new album is here. ♪ girls putting shoes down in the lobby ♪ >> the grammy award-winning artist premiering "new year's day" in front of a select group of fans at her home in rhode island. >> i haven't ever played this before for people, so this could be rocky. ♪ i stay when you're lost and scared and turning away ♪ >> the performance coming hours before the release of her highly anticipated sixth studio album "reputation." ♪ i'll be there for you the toast of the town ♪ ♪ or if you strike out and you're crawling home ♪ >> and there's no question swifties are thrilled she is back. >> i'm speechless. i'm just shook right now. i was just having fun listening

to her playing live. >> she is amazing. >> incredible. >> live performance. >> just raw taylor. ♪ i'll be cleaning out bottles with you on new year's day ♪ next here, a major milestone tonight for "grey's anatomy." michael strahan putting on a lab coat and taking us behind the scenes.

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the 300th episode of "grey's anatomy." gma cohost michael strahan takes us behind the scenes. >> so we're going to the o.r. >> okay, so that will be in -- scrub room is in here first. >> reporter: ellen pompeo knows her way around a hospital set. >> so i need to learn how to scrub. >> reporter: showing me the finer points of prepping for tv surgery. >> this has season and betadine on it, which is ant septic. so hold your arms up. >> feels kind of good, actually. >> yeah, uh-huh. the first time it feels good. the 30th time when your skin's raw? >> how long did you scrub for? >> that's pretty good. in real life they probably scrub longer. on tv we do it pretty quick, as long as the dialogue takes. >> reporter: for 14 seasons, pompeo's played from meredith grey on abc's "grey's anatomy." >> pick me. choose me. >> reporter: the show has captivated fans with dramatic twists and turns at seattle's grey sloan memorial.

tonight's "grey's" hit a major milestone with its 300th episode and it did not disappoint. >> goes to dr. meredith grey -- >> what is your favorite part of playing meredith? >> i get to sort of be a superhero in scrubs and play an ordinary person. she's very real. and very pompeo's character is the head of general surgery. when the show started in 2005, meredith grey was a wide-eyed first-year intern. >> my agent first called and said, abc would love you to do this medical pilot. i said, i hate medical shows, they make me anxious, i'm a hypochondriac, i can't possibly do it. he said, just do the pilot. take the paycheck. these things never go. >> they never go. >> they never go. these pilots never go. and here i am. >> reporter: after scrubbing in for over a decade -- >> then you go in backwards. yeah.

>> reporter: pompeo knows how to be convincing in a fictional operating room. >> put the gown on, put the gloves on -- >> it's like break dancing. >> yep, uh-huh. yeah, you go like this. then you say "10 blade." with authority. "10 blade." >> 10 blade. >> uh-huh, like that. then whoop, and you tcut. >> i was good up until the whoop cutting part. >> you're hired. >> i'm hired! >> reporter: like pompeo, jesse williams had become a breakout star. >> we are officially a -- >> reporter: but real life is stranger than fiction. >> a flight attendant has looked at me when they needed a doctor and began to ask me or expected me to do it. i had to check one once, "you know i'm not a doctor. the one thing you know about me is i'm not a doctor." >> reporter: just the actors are

convincing, so are props used in the surgeries which are remarkably life like. >> we have like a model, like a reproduction of scott foley's head. because he played a character on the show many years ago. and his character unfortunately passed away. we still occasionally use that from time to time. so sometimes we're operating and we look down at scott foley's head while we're cutting him further down. >> reporter: three of the show original cast members -- justin chambers, jane pick kins jr., and shonda wilson, helped us pull back the curtain further. >> you can warn me before we walk in this room. >> reporter: the highlight of the tour is the medical prop room. >> i think that was my patient. i don't remember the plot. but i remember that. >> you had the pen in i eye guy. >> i'm almost positive. >> i'm looking at hair. >> oh yeah. >> i remember this one. >> this is like our surgery wing and our o.r., o.r. 1 is here -- >> all these walls move, they go

up. >> really? >> oh yeah, to make it easy for us to shoot. if we need to shoot in that room in this direction, we fly this wall right on up. >> reporter: show creator shonda rhimes has come up with some astonishing medical scenarios over the years. >> they research it. a lot of these cases you see we perform, they are actual cases. we've had some of the craziest things come through this hospital that you would ever want to imagine. >> have you ever looked at a script and you're like, come on. >> all the time, right? >> all the time. all the time. >> season 3, season 2, we had the passenger stuck on the pole. >> so if you move me, i'll die. >> and i was like, really? sure. and then we shot it. you know, like i can't believe it. >> how much do you know in advance? what's going to happen throughout the season for your character? >> oh, gosh, it's script to script. it really is script to script. >> you'll talk to the writers at the beginning the season,

they'll give you an idea of where the characters might head. but things change on a dime. and we just rock 'n' roll with it. >> reporter: the show is so collaborative that four cast members have gone behind the camera. chandra wilson has directed 17 episodes. >> she knows what she wants. >> it's the actress in her. she's like, you get here, you get here. she's really hands-on, push you that way. >> i don't sit back and wait and see what people want to do. >> tell them what to do. >> you stand here, put your hand like that, turn this way. >> it looks like very hands-on direction. >> she's -- like a dollhouse playing. >> reporter: ellen pompeo has also directed an episode of "grey's" and it's a natural fit. >> i'm going to teach you how to be a doctor. >> good, don't ask me any questions on the street. >> don't ask me about football. your finger. >> i need the doctor, fix my finger. >> oh, ah! >> you're a doctor, why she

running? you're a doctor. that shouldn't freak you out. >> reporter: for "nightline" i'm michael strahan in los angeles. next here, speaking of milestones, why we're celebrating my "nightline" coanchor juju chang tonight. can you fit in there? i got this... that's the new man, huh? yup. getting kinda' close to my ride. wow... now, that's how you make a first impression. they're going to love you... that's ford, america's best-selling brand. hurry in today for 0% financing for 72 months across the full line of ford cars, trucks and suvs! and just announced...get 0% apr for 72 months plus $1000 cash back! take advantage of these exclusive holiday offers during the ford year end sales event. when you're close to the people you love, does psoriasis ever get in the way of a touching moment?

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finally here tonight, a big congratulations to my "nightline" coanchor juju chang. the newswomen's club of new york honored juju with the front page award for lifetime achievement tonight. and two of her stories were also honored. one story about the murder of women in a central american nation, honduras. as well as juju's interview with chelsea manning. as a long-time friend and colleague of juju's, let me tell you she is one of the smartest and well-liked people in our entire news division. congratulations, juju. thank you for watching abc news tonight. good night.

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