Making its debut in Star Trek: The Next Generation's "Reunion," the bat'leth was an invention of screenwriter Ronald D. Moore, but it was Michael Dorn's idea to give Worf a distinct weapon.

Much like other members of the cast of Star Trek: The Next Generation, Michael Dorn was initially missing from Picard. Sir ...

But what gets slightly overlooked in the praise and discussion of this episode is that as much as it's a Worf episode it’s ... the biggest enemies in classic Trek, was a big deal.