

The first season is rough.
Honestly if you kinda skim and get the story points to learn who everyone is and what is generally going on- moving on to the second season without finishing the first is completely reasonable.
Everyone was trying to work around the actor that played the lead during the first season- he had an unfortunate mental breakdown during filming and was replaced by Bruce Boxleinter for the rest of the show after season 1, but this naturally made everything more difficult for everyone, and the quality suffered temporarily.
Once you get about 3-4 episodes deep in season 2, you’ll forget all about season 1.
This sounds barbaric.
I was diagnosed with asthma in the 70s because I had frequent asthma attacks that nearly killed me- I can’t imagine why such a test is needed- asthma diagnosis is not difficult and is easily differentiated from other conditions with basic knowledge.