 Hiro reluctantly agrees and Samuel tells him he made a mistake eight weeks before.In "Brother's Keeper", Samuel tells Hiro he needs to go back in time eight weeks and retrieve a film from Mohinder Suresh.Hiro offers to find him in the present as he's not sure about his ability to time travel, but Samuel tells him it has to be eight weeks before and that if he wants to see Charlie again he'll do it.