The similarity game.

[PeggleFrank]

Gallifreyan grass is from Gallifrey.

 

[goreae]

Gallifrey is the home of the Time Lords.

 

[PeggleFrank]

A time lord a thing from a show that I've never seen.

 

[goreae]

the shows PeggleFrank has never seen is on the list of things that most people do not know.

 

[PeggleFrank]

The list of things that most people do not know includes most shows.

 

[Droideka30]

There can be shows at circuses.

 

[PeggleFrank]

At circuses, there are sometimes animals.

 

[Rhsolyn]

An animal is a horse.

Start: bones

End: Flowers

 

[PeggleFrank]

Bones can be made into bonemeal.

 

[Rhsolyn]

Which can be used to grow flowers
I didn't mean to make it that easy :/

Start: Cactus
End: Velvet

 

[PeggleFrank]

Cactus is green.

 

[Rhsolyn]

Green is the color grass is. (Omg I can't seem to make hard ones xD must lead away from easy answer! Must!)

 

[PeggleFrank]

Flowers grow on grass.

Start: Torture chambers.

End: Clouds.

 

[Rhsolyn]

Torture chambers are built under clouds.
lolol I win.
Also the end for the cactus one was velvet, not flowers. xD
Oh well.

Start: Gold

End: Water

 

[goreae]

Dude, you aren't very good at this. (water is commonly found in rivers of water.)
Anyways, gold is yellow.

 

[Bellaabzug21]

Water is Drank.