Strike's Ultimatum

is the twenty-first episode of Kamen Rider: Dragon Knight. It is the debut of Kamen Rider Siren.
==Synopsis==
JTC kidnaps Frank, and offers to return him if Kit will betray Wing Knight. When Kit refuses, he has Strike, Axe, and Spear to contend with. Lacey carries out her plan to steal information on the Kamen Riders for Michelle.
==Plot==
After JTC's call, Kit and Maya go to find his father. Lacey goes to the bookstore and copies information from Maya's computer. Len shows up and finds out where Kit and Maya went. Kit and Maya find Kit's dad with JTC who makes Kit an offer: his dad for Wing Knight's Advent Deck. When Kit refuses, the Cho Brothers show up and the battle begins. During the battle, Maya manages to escape with Kit's dad. Len arrives and fights two mirror monsters. Kit manages to fight off Strike and Axe before he vents Spear. Lacey delivers Maya's computer information to Michelle while Kit goes to the hospital to see his father. A new female Kamen Rider appears and prepares to fight Xaviax's soldiers.
==Cast==
to be added
==Advent Cards==
*Cards used:
**Dragon Knight:
***Strike Vent, Final Vent
**Wing Knight:
***Sword Vent, Final Vent
==Notes==
*Episode's original airdate of September 4, 2009 in the United States was at a special day and time during the CW Daytime block. 4kids is granted one such special on a yearly basis.
*3rd & Final episode with No Japanese footage used.
*The first appearance of Kamen Rider Siren.
==See Also==
 (Kamen Rider Femme Debut)
 (Kamen Rider Imperer Death)
Category:New Kamen Rider Episode