S01E01 · SCENE 25/62 · 51:59
Back to the Future · Doc's lab
Power source problem
Doc realizes they need 1.21 gigawatts and plutonium is unavailable in 1955.
51:59→54:29
in the film · 2m 30s
What happens
51:59–54:29Doc watches the video tape and realizes the time machine needs 1.21 gigawatts. He explains plutonium is unavailable in 1955, so Marty is stuck.
Key lines
from this scene52:15Okay, Doc, this is it.
52:56to generate the 1.21 gigawatts What did I just say?
53:06to generate the 1.21 gigawatts 1.21 gigawatts!
54:18Unfortunately, you never know when or where it's ever going to strike.
Scene DNA
weights 0–1Beats
53:16Doc says 1.21 gigawatts
Scene in the film
51:59–54:29Clips from this film
fan uploads · YouTube · matched by frameIncludes this scene · "1.21 Gigawatts!" (Iconic Flux Capacitor Scene) | Back to the Future · Critic Picks
Back to the Future part 1 (Marty's first arrival to 1955) · Brents Movie's & Clip's
Back To The Future- Hill Valley 1955- Marty Meets Young George McFly · Eternaldarkness3166
Back to the Future - George Reads To Lorraine/Biff & Gang Chase Marty McFly · Benny Legend
Back To the Future 1985 Marty tries to warn Doc about the future scene · Movie clips channel
Back to the Future: Marty introduces his parents to each other · Binge Society
Back To the Future 1985 Lorraine tracks down Marty at docs house Scene · Movie clips channel
Back to the Future | Marty McFly Plays "Johnny B. Goode" and "Earth Angel" · Universal Pictures
George Saves Lorraine From Beef | Back to the Future · HaHa Picks
Back To The Future (1985): Marty Hits Car And Meet Lorraine #backtothefuture · HenryCoeManley2010
"He's a Peeping Tom!" Marty Meets His Parents | Back to the Future | Comedy Bites Vintage · Comedy Bites Vintage
Marty's Mom from the Past Has a Crush on Him | Back to the Future · HaHa Picks
Who's in it
MM
Marty McFlydrives 34 scenes
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