Mark Ruffalo and Jennifer Garner on Their ‘13 Going on 30’ Reunion (Exclusive)

Mark Ruffalo and Jennifer Garner chat with ET’s Rachel Smith about their on-screen reunion at the premiere of ‘The Adam Project.’ It’s been 18 years since the two co-starred in the romantic comedy ‘13 Going on 30!’ As the actress tells it, ‘I don’t think either of us realized how much we needed it and how great we feel.’ ‘The Adam Project’ streams March 11 on Netflix.