Ep 3. SPHINX Rising

In the fifth episode of the fifth season of The Venture Bros., titled "SPHINX Rising," the uneasy alliance between The Guild and The OSI is frayed even further as a new organization rises to power. This organization, known as SPHINX, is led by a mysterious and enigmatic figure who seeks to disrupt the balance of power among the world's most powerful villains and heroes.

As the episode begins, the Venture Bros., Hank and Dean, are busily preparing for their new jobs as interns at The OSI. Meanwhile, their father, Dr. Thaddeus "Rusty" Venture, is still struggling to find a way to make a name for himself in the world of super science. When SPHINX begins to make some waves by staging a daring heist on The Guild's headquarters, all hell breaks loose.

Both The Guild and The OSI are caught off guard by this unexpected move, and tensions between the two organizations begin to rise. The leaders of both groups, The Sovereign and General Hunter Gathers, respectively, are determined to get to the bottom of this new threat, but they find themselves at odds with each other as they try to uncover the truth.

Meanwhile, as Hank and Dean begin their internships, they find themselves in the midst of all the chaos. They are quickly put to work on a top-secret project that could make or break The OSI's efforts to combat SPHINX. As they work alongside The Alchemist and Molotov Cocktease, they begin to realize that their dream job may not be as glamorous as they once thought.

The episode is filled with plenty of action and humor, as well as some surprising twists and turns that will keep viewers on the edge of their seats. As the conflict between SPHINX and the established powers in the world of super science continues to escalate, it becomes increasingly clear that no one is safe from the chaos that is sure to follow.