[s0e13] Planet Of The Dead Access

The Doctor stepped off the bus, looking back at the shimmering air as the rift snapped shut. He had saved the world again, but as he watched Christina being led away by the police (only to make a daring escape using a jetpack), his expression saddened.

"This isn't the British Museum," she noted, checking her gold watch. [S0E13] Planet of the Dead

He slammed two wires together. The bus groaned, vibrated, and then—impossibly—it lifted. The wheels spun in mid-air as the vehicle surged forward, propelled by a localized gravity bubble. The Doctor stepped off the bus, looking back

"Listen to me!" the Doctor shouted, his voice cutting through the heat. "This sand is abrasive. It'll get into your lungs. Back inside. Now!" He slammed two wires together

The Doctor grinned. "I like your spirit. But the bus is our only way back, and its wheels are buried. We need power, we need lift, and we need it before that swarm hits."

to other "one-off" companions like Astrid Peth.

"Then we close it," Christina said, pulling a set of high-tech tools from her pocket. "I was planning on stealing the Cup of Aethelstan today. Closing a dimensional rift seems like a fair trade."