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One Tree Hill
Season 1 · Episode 19
How Can You Be Sure?
8.041mApril 20, 2004
Lucas must make a difficult decision regarding Brooke. Haley considers having sex with Nathan.
Episodes
- Episode 1Pilot
- Episode 2The Places You Have Come to Fear the Most
- Episode 3Are You True?
- Episode 4Crash Into You
- Episode 5All That You Can't Leave Behind
- Episode 6Every Night Is Another Story
- Episode 7Life in a Glass House
- Episode 8The Search for Something More
- Episode 9With Arms Outstretched
- Episode 10You Gotta Go There to Come Back
- Episode 11The Living Years
- Episode 12Crash Course In Polite Conversations
- Episode 13Hanging by a Moment
- Episode 14I Shall Believe
- Episode 15Suddenly Everything Has Changed
- Episode 16The First Cut is the Deepest
- Episode 17Spirit In the Night
- Episode 18To Wish Impossible Things
- Episode 19How Can You Be Sure?
- Episode 20What Is and What Should Never Be
- Episode 21The Leaving Song
- Episode 22The Games That Play Us