 Talk of Dwight Schrute 's ( Rainn Wilson ) karate experience gets Michael 's competitive juices flowing , leading to a lunchtime match between the two at Dwight 's dojo . Jim Halpert ( John Krasinski ) accidentally goes too far when <unk> around with Pam Beesly ( Jenna Fischer ) , and she abruptly shuts him down when their co @-@ workers take notice . 
