the new episodes of supergirl started on october 9, 2017.
when do the new episodes of supergirl start?
october 9, 2017
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batgirl and supergirl start tracking professor hamilton and the joker. barbara leads supergirl to an underground room, which is lead-lined and protected with a kryptonite doorway. batgirl leads kara to a room and they discover the body of baby kal-el, preserved in a test tube. this is the actual basis of lex's "solar battery" invention, and the discovery makes supergirl furious. lex claims that he feared kal-el would become dangerous, and that is why he killed him and befriended supergirl when she arrived on earth. ready to meet her fury with joker's strength, luthor awaits while batgirl and supergirl rush towards him. supergirl battles the joker, but is unable to match his strength because the steroid serum he has been taking is infused with kryptonite. however, batgirl rescues her. kara is about to kill lex, but batgirl stops her. lex was the man who hired joe chill to murder bruce's parents, which means he is also responsible for the death of barbara's parents and must be brought to justice. luthor, hamilton and the joker are arrested, and a friendship between batgirl and supergirl starts to grow, even to the point of an out-of-uniform kara coming to barbara's latest book signing.
elseworld's finest: supergirl & batgirl