Among the most prominent reactions were those to the surprise cameo by English musician Ed Sheeran.
"It's a pretty song, I've never heard it before", said Stark. Arya, played by Maisie Williams, listened to Ed's character sing while riding horseback through a forest.
Ed Shareen is not the first musician to make a cameo on "Game of Thrones", members of Snow Patrol and Coldplay have also appeared before in the show.
That, however, was enough to irritate GoT fans.
Don't worry, there are no major spoilers here if you have yet to see the highly anticipated season 7 premiere of Game Of Thrones last night. "When Lisa meets Brendan, Milhouse comes in and he goes, 'I've brought three kinds of waters - cold, warm, and lukewarm, '" teases Jean.
"It's a new one", Sheeran shot back, as though admonishing Arya for not checking into Westeros' Top 40 recently.
Trump Jr. met with Russian to talk about adoptions, Spicer says
On Friday, a prominent Russian-American lobbyist said that he, too, had been part of the discussion. The White House did not respond to a request for comment on how it plans to enforce the rule.
While some people were excited by his role, others really didn't enjoy his performance.
The character, who will feature in The Simpsons' 29th series beginning in October, will be at the centre of a love triangle with Lisa Simpson and Nelson Muntz.
Sheeran's Simpsons episode will air in the States some time around November this year.
Season 29 of The Simpsons - which kicks off October 1 - also features guest vocals from Norman Lear and Shaq.
He told Entertainment Weekly: "We said, 'Oh, great, we'll have him do this!' And we recorded him over the phone from England".