The Doctor wanted to take Rose and Jack to Excroth , only to find the planet destroyed, and them captured by the Lect , who demanded to know why the travellers had come to the Excroth System. After instigating Harriet's reign as Prime Minister, the Doctor invited Mickey to join him and Rose on their travels, but Mickey declined, unable to handle the dangerous life led by the Doctor. The End of the World saw something of interest, TV:

In " The Sound of Drums ", the Doctor stated that he would be able to recognize the regenerated Master on sight despite having never seen his new incarnation, claiming that Time Lords could always recognize each other. He started working on a way to repair the damage to the universe while leaving Pete alive for Rose.

In " The Sound of Drums ", the Doctor stated that he would be able to recognize the regenerated Master on sight despite having never seen his new incarnation, claiming that Time Lords could always recognize each other. By the time Rose had made it to the streets, the Doctor had blown up the store. With Jackie safely in the shields of the flyer, the Doctor attempted to use his sonic screwdriver to confront the Cybermen and figure out how they converted Rose so fast, discovering an airborne element that cyber-converted his screwdriver into his hand, and began spreading up his arm.