In the upcoming episode of season 3 of Arrow, Thea's (Willa Holland) will be pissing Oliver (Stephen Amell) off by spending her dad's inheritance.

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The Hollywood Gossip reported that Oliver will be pretty displeased by Thea's latest purchase -- an apartment, which she buys from Malcolm Merlyn's money.

There will be a new technologically-enabled menace for Arrow and the team to tackle in the next episode of the CW series. The recently released preview for the episode, titled The Secret Origin of Felicity Smoak, reveals Starling City thrown into chaos by a bunch of hackers.

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The most interesting twist is the fact thet Felicity (Emily Bett-Rickards) is actually the only one who can save the day, as her tech skills can help kill the virus that the villains have unleashed on the city. Felicity ends up stating that she might not be up to the task, owing to something she did five years ago. That might tie in with the title of the episode as it leads us to the origins of Felicity and her history.

In other exciting news related to what lies ahead in season 3 of the series, a recent report revealed that one of the biggest moments for Arrow will take place during the Flash crossover hour in season 3 of the CW show.

TVLine got news of the nature of crossover episode from Stephen Amell, who plays Oliver Queen aka the Arrow, on the show. Amell didn't give much away but definitely amed up the hype for the episode. "I can't tell you anything about it other than it relates to Central City - and when I saw it in the Flash script, it ended up being actually quite gratifying," he said. "[Director of photography] Glen Winter said it was his favorite thing I've been involved in so far on the show."

The Secret Origin of Felicity Smoak will air on November 5 on the CW. 

Watch the preview here: