I watched half of Arrow season 4. It has basically become the Felicity show. Which is sad since it was the show that started this all off.
I watched the Supergirl/Flash crossover and it was pretty fun. I think Supergirl will get a lot better once it's on the CW. Flash Season 2 has been incredible. I'm behind in LoT.
I saw another person tweet out from the CW upfronts that the crossover would be a 4 night, 1 week event. With each show having a share. Supergirl on Monday, Flash on Tuesday, Arrow on Wednesday, and LoT on Thursday. So a mini-Justice League movie on TV.
Thanks for your input. Can't say I've heard much too good about Arrow Season 4 so far, which like you said, is just sad to hear. I'm not surprised though as Season 3 was definitely a step back from the previous 2 seasons and that show just has too many characters/actors that I just really can't stand them in their roles. I love Oliver Queen, Diggle, Sara Lance, Quentin Lance, Slade Wilson, Malcolm Merlyn and even Felicity. However, I loved Felicity more in her small supporting role and the more she has gotten, the less I've liked her. On the flip side, I can't stand Roy Harper. The dude is a terrible actor. Laurel Lance.... same thing. Didn't mind her so bad in Season 1, but I can't take her or Roy Harper seriously as Superheros. As for Speedy/Thea Queen, she was fine as Oliver's sister, but again, it is hard to take this 100 pound girl seriously as a vigilante/superhero. Not everyone in the show has to turn into a hero. Again, love the Arrow TV series and it was the first show that drew us all into this universe, so its got its special place to me, and I'll watch it until the end. However, it really has gone downhill, especially with certain characters.
As for Flash Season 2. It is great to hear you loved it. First half of Season 1, I actually still preferred Arrow over The Flash, but in the back half of the season, Flash truly won me over. Season 1 was awesome.
As of right now, I know nothing about Supergirl. Truthfully, it doesn't exactly look like my cup of tea, but I'm willing to give it a shot once it hits the streaming world.
Lastly, I am personally excited for LOT. I've heard somewhat mixed reviews, but I like the ensemble team aspect of it, kind of like the Justice League. I also really like the Atom character in Flash/Arrow, so I'm looking forward to him having a more major role in LOT.