Doctor Who (1963) Season 20 Episode 1 Arc of Infinity (1)

The show Doctor Who season 20 episode 1 is titled "Arc of Infinity (1)" and it features the Time Lord known as the Doctor and his companion Tegan Jovanka as they embark on a new adventure in time and space.

The episode begins with the Doctor and Tegan arriving in Amsterdam, where they witness a strange phenomenon involving a man who seems to be vanishing into thin air. As they investigate, they discover that a powerful entity known as the Arc of Infinity is involved.

The Arc of Infinity is a Gallifreyan artifact that has the ability to create a doorway between universes, but it requires a Time Lord as a key to access its power. The Doctor soon realizes that someone is attempting to use the Arc of Infinity to enter the universe and wreak havoc on all of reality.

Meanwhile, on Gallifrey, the President of the Time Lords has sent his own secret agent, a man named Omega, to capture the Doctor and use him as the key to unlock the power of the Arc. Omega is a Time Lord who was thought to have been destroyed long ago, but his return threatens the entire fabric of time and space.

As the Doctor and Tegan race to stop Omega, they are joined by the Doctor's old friend and fellow Time Lord, the renegade known as the Corsair. Together, they must use all of their knowledge and skills to prevent Omega from achieving his goal and destroying everything that exists.

Throughout the episode, the Doctor and his companions encounter a number of obstacles and challenges, including deadly creatures, treacherous Time Lords, and the unstable power of the Arc of Infinity itself. But they remain determined to stop Omega and save the universe from destruction.

As the episode draws to a close, the situation becomes even more dire as Omega gains control of the Doctor's body and begins to access the power of the Arc. With the fate of all reality hanging in the balance, the Doctor must use every ounce of his strength and intelligence to prevent Omega from achieving his ultimate goal.

Overall, "Arc of Infinity (1)" is an exciting and action-packed episode of Doctor Who that features a thrilling storyline, memorable characters, and stunning visual effects. It is a must-watch for any fan of the long-running series.