Roger's opening costume: Kevin Bacon.
In Roger's attic room he has 3 free-weights that are labeled 3, 15, and 725.
Chia Obama (an actual novelty Chia pet) can be seen briefly on the space station.
At the bank Roger provides $300 cash to a customer who has a Las Vegas brochure in his pocket.
It's A Reference To Alien (1979) .