please! kate knew she couldn't escape those whackjobs on their turf. after a monkey gets shocked a few times it stops misbehaving.
as for jack-- he was desperate and wasn't about to try to push past Benry to get anywhere. he saw a hatch. and hatches mean OUT. lil doors with no wheels don't mean out. hatch doors with wheel seals do.
sawyer? genius, but not that smart