When Gary reads the page about the 6 year old girl being hit by a car, the first and third times the headline is complete, the second time 'officials blame traffic' is missing.
When Gary, Marissa and Chuck are walking on the platform of the L just before deciding not to catch the train, the leash appears to go right through Gary as Marissa and the dog pass him.
At the beginning of the episode it is said that it's been 1 week since Gary started receiving the paper. He received the first newspaper Monday Nov 11th, yet several references are made to the Cubs playing (and losing). The MLB season ends in October.