<P> `` Rubber Room '' is the twenty - third episode of the twentieth season and the series finale of NBC 's long - running legal drama Law & Order . In the episode , Detectives Lupo and Bernard search for an anonymous blogger who has posted plans to blow up a school , while Lt. Van Buren struggles to keep her personal issues private . </P>
<P> `` Rubber Room '' is the twenty - third episode of the twentieth season and the series finale of NBC 's long - running legal drama Law & Order . In the episode , Detectives Lupo and Bernard search for an anonymous blogger who has posted plans to blow up a school , while Lt. Van Buren struggles to keep her personal issues private . </P>
what happened on the last episode of law and order
what happened on the last episode of law and order
Lupo and Bernard search for an anonymous blogger Lt. Van Buren struggles to keep her personal issues private
Lupo and Bernard search for an anonymous blogger Lt. Van Buren struggles to keep her personal issues private