Question about CG R2 episode one..

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spoilerz? for anyone who hasnt seen r2 episode one or er, turn 1.

im alittle lost, could someone please explain to me wtf has been happening since a year past? from season one i mean. season one only had 25 episodes correct? i need some help because all the episodes i downloaded for season one go up to a special episode featuring 24/25 in one :D

thanks...can someone please shed some light onto cg r2 turn 1?