Find Movies & TV
Live TV
On Demand
Discover
Explore
Movies & TV Shows
Most Popular
Leaving Soon
Learn More
Free Movies & TV Shows
Explore
Browse Channels
Featured Channels
My Media
Watchlist
Sign In
One Tree Hill
How Can You Be Sure?
Directed by
Thomas J. Wright
TV-14
S1 • E19
Apr 20, 2004
41m
8.1
8.0
Watch on Disney+
On Disney+
Sponsored
Watch Now
Watch
Lucas must make a difficult decision regarding Brooke. Haley considers having sex with Nathan.
Where to Watch One Tree Hill - S1 • E19
Disney+
Subscription
HBO Max
Subscription
HBO Max via Amazon Prime Video
Subscription
+7 more
Cast of How Can You Be Sure?
Chad Michael Murray
Lucas Scott
James Lafferty
Nathan Scott
Bethany Joy Lenz
Haley James Scott
Sophia Bush
Brooke Davis
Hilarie Burton Morgan
Peyton Sawyer
Barry Corbin
Whitey Durham
Craig Sheffer
Keith Scott
Moira Kelly
Karen Roe
Paul Johansson
Dan Scott
Barbara Alyn Woods
Deb Scott
Bryan Greenberg
Jake Jagielski
Emmanuelle Vaugier
Nicki
Zachary Hermann
Player #2
Kwame Heyward
Player #1
J.R. Rodriguez
Buyer
Brett Claywell
Tim Smith
Thomas J. Wright
Director
Karyn Usher
Writer
Mark B. Perry
Executive Producer
Mark Schwahn
Executive Producer
See all
Get Plex on Your Devices
Free on 20+ platforms. Pick yours.
App Store
iOS & Apple TV
Google Play
Android
TV
Fire TV, Roku & more
See all supported devices →
Home
Live TV
On Demand
Discover
Categories
Action
Animation
Comedy
Crime
Documentary
Drama
En Español
Horror
Music
Romance
Sci-Fi
Thriller
Western
Descriptive Audio
Ion Mystery
National Lampoon
Stories by AMC
Categories
Bingeworthy
Movies
True Crime
News
Sports
Reality
Classics
Adrenaline & Sci-Fi
Comedy
Daytime TV & Games
Explore
Food, Home & Culture
Kids & Family
En Español
Global
Music