Benny is treasury secretary.
Listen to me.
I've had enough jokes for one evening.
Good night, future boy !
No, wait, Doc.
The bruise on your head.
I know how that happened. You told me.
You were standing on your toilet
hanging a clock...
and you fell
and hit your head on the sink.
That's when you got the idea
for the flux capacitor which...
is what makes time travel possible.
There's something wrong with
the starter, so I hid it here.
After I fell off my toilet...
I drew this.
The flux capacitor.
It works !
It works !
I finally invent something that works !
You bet your ass it works.
We've got to sneak this back
to my laboratory.
We've got to get you home !
This is it.
Never mind that now.
Why, that's me ! Look at me !
- I'm an old man !
- I'm Dr. Emmett Brown.
I'm in the Twin Pines Mall parking lot.
Thank God, I've still got my hair.
What's this thing I'm wearing ?
This is a radiation suit.
Radiation suit ?
Of course. 'Cause of all the fallout
from the atomic wars.
This is truly amazing.
A portable television studio.
No wonder your president has to be
an actor. He has to look good on TV.
This is the part coming up.
This sucker's electrical but I need a nuclear
reaction to generate the 1.21 gigawatts...
What did I just say ?
...this sucker's electrical,
but I need a nuclear reaction...
- to generate the 1.21 gigawatts of...
- 1.21 gigawatts !
1.21 gigawatts.
Great Scott !
What the hell is a gigawatt ?
How could I have been so careless ?
1.21 gigawatts !
Tom, how am I going to generate
that kind of power ?
It can't be done, can it ?
Doc, look.
All we need is a little plutonium.
I'm sure that in 1985 plutonium is
available in every corner drugstore...
but in 1955,
it's a little hard to come by.
Marty, I'm sorry,
but I'm afraid you're stuck here.
Doc, stuck here ? I can't be stuck here.
I got a life in 1985.
- I got a girl.
- Is she pretty ?
Doc, she's beautiful.
She's crazy about me. Look at this.
Look what she wrote here.
That says it all.
Doc, you're my only hope.
Marty, I'm sorry, but the only power
source capable of generating...
1.21 gigawatts of electricity
is a bolt of lightning.
- What did you say ?
- A bolt of lightning.
Unfortunately, you never know
when or where it's ever going to strike.
We do now.
This is it !
This is the answer.
It says here that a bolt of lightning...
is going to strike the clock tower
at 10:04 p. m. next Saturday night !
If we could somehow harness
this lightning...
channel it into the flux capacitor...
it just might work.
Next Saturday night
we're sending you back to the future !
All right. Saturday's good.
I can spend a week in 1955.
I can hang out. You can show me around.
That is out of the question.
You must not leave this house.
You must not see or talk to anybody.
Anything you do can have repercussions
on future events. Do you understand ?
Yeah. Sure. Okay.
Have you interacted with anybody else
today besides me ?
Yeah, well, I might've sort of
bumped into my parents.
Great Scott ! Let me see that photograph
again of your brother.
Just as I thought. This proves my theory.
Look at your brother.
His head's gone.
It's like it's been erased.
Erased from existence.
They really cleaned this place up.
Looks brand-new.
According to my theory, you interfered
with your parents' first meeting.
If they don't meet, they won't fall
in love, get married or have kids.
That's why your brother's disappearing.
Your sister will follow, and unless
you repair the damage, you're next.
- Sounds heavy.
- Weight has nothing to do with it.
Which one's your pop ?
That's him.
Very funny.
You guys are being real mature.
Maybe you were adopted.
Okay, real mature, guys.
- Okay, pick up my books.
- McFly.
That's Strickland.
Jesus, didn't that guy ever have hair ?
Shape up, man. You're a slacker.
Do you want to be a slacker
for the rest of your life ?