Well, I've watched both episodes and I'm not going to take it seriously... because it's not even trying to be serious. It's campy. No surprise. I should have taken the previews for granted.
The show targets an audience who appreciates light-hearted, feel good stories. That's great but I think there is an audience for comic book-to-big/small screen drama/comedy that's not stuck in 1960's/1970's shallow entertainment. It's 2015. What's wrong with relating comic book material more closely with real world relevance? The comic book industry grew up decades ago. Will DC eventually match it's television adaptations with it's literary versions? The answer seems solidly no in my opinion.
My ranking of current DC/Marvel television shows in terms of entertainment maturity:
1. Daredevil (Just starting to get into this one)
2. Marvel's Agents of SHIELD
3. Agent Carter
4. Gotham (This is a good show like Batman Begins was a good movie. Maybe it will someday take a fundamental leap like Begins to The Dark Knight did.)
5. Arrow (...and I don't even regularly watch this show!!!)
6. The Flash
7. Supergirl
I think every comic book-to-television endeavor should examine how The Walking Dead translated from page to screen. Sure, TWD has its flaws but they are small compared to the overall quality of the show IMO. A superhero show mustn't necessarily be dark and brooding like TWD to appeal to a larger audience but it doesn't need to be campy either.
Seriously. If I had a choice of watching either one of the two offerings this season of Supergirl or an old FOX network X-Men Saturday morning episode, I might pick X-Men. A 20-year old cartoon show over a modern live action series. That's sad. Know what's sadder? I feel Alex Danvers, Kara's foster sister played by Chyler Leigh, is the most believable character of the show. And by a WIDE margin. Man.