He's better off watching Kamen Rider The First. They're both awful, but at least The First has some cool bike stunts.

Wizard!

The pacing isn't the best, and neither is the story. But it has a very different kind of humour, protagonist and atmosphere to your usual Rider stuff while still having a fantastic main Rider and epic action all the way through!

I always push people towards either Blade or Agito. Blade or Agito always has a special place in my heart as it was my first Kamen Rider Series.

Blade is an amazing series~

Blade has a bit of a slow start but picks up after a certain spoilery event. Also the new subs by NDA have made it much easier to get through the start (though sadly it looks like they haven't gotten past episode 7 yet :( )

Blade is perfection. Everyone should go watch Blade. If you're remotely a fan of superheroes, sci-fi or Rider you have to see it. Interesting story, characters world, cool designs, interesting and unique monsters, a toy gimmick that actually adds to the show's quality, and an amazing ending.

I vote for Double or Kabuto.

i would suggest kamen rider kabuto