NPR: The stars of the Big Bang Theory are two fictional Caltech physicists, but the physics problems they study are real. Bill Prady, the program’s co-creator and executive producer, talks about including real-world science in the script, from dark matter to magnetic monopoles
The Week in Physics" is likely a reference to the regular updates or summaries of new physics research, such as those found in publications like Physics Today from AIP Publishing or on news aggregators like Phys.org.