Pamela Morgan Halpert (née Beesly; born March 25, 1979) is a fictional character on the U.S. television sitcom The Office, played by Jenna Fischer. Her counterpart in the original UK series of The Office is Dawn Tinsley. Her character is initially the receptionist at the paper distribution company Dunder Mifflin, before becoming a saleswoman and eventually office administrator until her termination in the series finale. Her character is shy, growing assertive but amiable, and artistically inclined, and shares romantic interest with Jim Halpert, whom she begins dating in the fourth season and marries and starts a family with as the series continues.

Answer this question: when do jim and pam start dating in the office? Let's give stream of consciousness first:
The relevant information is: Her character is shy, growing assertive but amiable, and artistically inclined, and shares romantic interest with Jim Halpert, whom she begins dating in the fourth season and marries and starts a family with as the series continues.
So, the final answer is the fourth season.