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High-gravity baseball

"My older self travels back just to remind me to put the cap back on this pen?"

Robots search for people's personal information in the cloud.

"I'm grounded. I forgot to delete the car's computer history after we did those crop circles on Earth."

'Houston, I'm prepared to land...'

"We've made great progress!"

"Don't worry, they normally look like little humans during the early scans."

Invasion Of The Summer Aliens

"Relax. I just had a vitamin."

The aliens froze, gripped by a primal fear. This time there would be no abduction.

"Houston - you will Not believe this!"

"I think I may have stumbled on something, Walpole."

"You left this on our ship."

Robotic Man

"Don't worry - I'm here for the television."

"Please ask your pet to kindly put down the weapon."

"I'm just here to pick up some bagels."

Ascent of Machine.

"The space aliens who abducted me wanted to know what it was like to be loved...I wasted no time."

'He's been like this ever since he had his laser eye treatment.'

"Hey, remember a few days ago, when all this was unacceptable?"

Alien Snowmen

"I brought back important data on that blue planet called Earth."

'Your videotape's intriguing - But it still doesn't prove that they really exist.'

Friends and enemies of the Earth.

"Maybe we should have brought a Riesling."

'Excuse me could you please direct me to the nearest toilet?'

Time Machine Collision

Super Strength, Impervious to Bullets And Explosions

'I'd say it's six of one and one half doxen of the other.'

"Sorry...but until we fix the cloaking device, this will have to do."