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"He says it's not an invasion - it's a cruise."

Warning: Warp in the space-time continuum ahead.

At his jailbreak, Bob rummaged through grit, sand loam and unfortunately and unintentionally through several dimensions.

"I'm not sure if that's William Shatner or Deadpool without his mask."

"Writer's block?"

Ancient man

"Don't be frightened. I'm you, but I come from a perpendicular universe."

"Dad? Where did you go? I just asked you to explain that episode of Dr Who."

'It is a highly contagious disease which results in much suffering and there is no known cure.'

Environmentally Sound Management of Biotechnology.

'Dept of non-nanooo technology.'

Beware of dog armed with cloaking device.

"No aliens"

'... and then I turned left at junction 37 ... '

Aliens - 'We heard stuff is cheap here.'

'Gravity...Go figure!'

"We need to tell your leaders: It's not just global warming, it's galaxy warming!"

I'm turning to the 'Duck' side!

"So, where are you headed to next?"

'Honey, looks like we just won a free trip.'

"We've bookmarked your planet in case we want to come back."

"Whoops! Sorry, wrong planet."

"Well, I guess we can scratch them as a potential source of fuel!"

Man surrounded by dinosaur bones at a museum looks at a sign that reads "Feeding time 4:30 p.m.".

"Look! It's the same flying saucer that abducted me when I was your age."

"This primitive communication device is all that's left of what was once a thriving civilization."

Occu-Pie Mars

UFO with flying saucer

Nerd World Countries

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

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

"These aren’t the droids you’re looking for."

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

Big Bang Theory.

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