Crab (Scissors) and Stingray (Raia). Great seafood for the sushi seller. XD
Strange that the roll call was different.
Also, Natsumi's comment about Tsukasa disappearing. It's... disturbing if you were to consider yourself to be in Natsumi's position.
Ratings per episode, found them on HA. Careful, it's a rather long list.
Episode-01 (Rider War) : 6.3 %
Episode-02 (Kuuga 1) : 8.3 %
Episode-03 (Kuuga 2) : 7.9 %
Episode-04 (Kiva 1) : 7.8 %
Episode-05 (Kiva 2) : 8.5 %
Episode-06 (Ryuki 1) : 8.5 %
Episode-07 (Ryuki 2) : 7.3 %
Episode-08 (Blade 1) : 8.4 %
Episode-09 (Blade 2) : 7.9 %
Episode-10 (Faiz 1) : 8.4 %
Episode-11 (Faiz 2) : 7.9 %
Episode-12 (Agito 1) : 9.3 %
Episode-13 (Agito 2) : 8.9 %
Episode-14 (Den-O 1) : 8.3 %
Episode-15 (Den-O 2) : 8.6 %
Episode-16 (Kabuto 1) : 8.8 %
Episode-17 (Kabuto 2) : 8.6 %
Episode-18 (Hibiki 1) : 7.9 %
Episode-19 (Hibiki 2) : 7.8 %
Episode-20 (Nega 1) : 7.9 %
Episode-21 (Nega 2) : 8.4 %
Episode-22 (Diend 1) : 9.3 %
Episode-23 (Diend 2) : 7.4 %
Episode-24 (Shinkenger 1) : 6.4 %
Strangely enough, while this is a historical first in the history of Sentai and Kamen Rider, the ratings for this episode was the 2nd lowest behind the first episode.