After weeks of silence, Junior calls Senior to give his condolences on Helen's passing. Then PJD starts a charity build for the March of Dimes while OCC finishes a two-bike build for John Christner Trucking.
The bitterness between Paul Teutul Sr. and his son Paul Jr. has been festering all season long on " American Chopper: Senior vs. Junior " (Mon., 9 p.m. ET on Discovery).
However, when Paul Jr. heard the distressing news that his grandmother, Helen Te more