30 Rock: Season 3, Episode 19

3 - 19: The Ones

Jack goes shopping with Liz for an engagement ring for Elisa. Jack grows worried about whether he and Elisa's potential marriage would survive in the real world, but Tracy counsels him on married life. Meanwhile, Elisa tells Liz that she is keeping a secret. A prank results in an injury back at TGS and Jenna falls in love with an attractive emergency medical technician who comes to help.