Product Placement Blog ➞ Audio Equipment & ElectronicsGibson Guitar in It's Always Sunny in Philadelphia S15E01 “2020: A Year in Review” (2021)December 2, 2021 Sergey TV Show Hi! On Thursday, December 2, I analyzed a TV Show and product placement was spotted: Gibson Guitar in It’s Always Sunny in Philadelphia S15E01 “2020: A Year in Review” (2021).Here are 1 image(s) below: