Here is the info for episode 18 which airs Feb 11, but before that we all know what episode tomorrow is (Three's Company Dream Sequence), followed by episode 17 a week from tomorrow, which is a 2-part story that continues on Feb 11, episode 18:

A LOVE-STRUCK BRIDGET DRIVES TO OHIO TO MEET UP WITH
EX-DRUM INSTRUCTOR BEN – UNBEKNOWNST TO PAUL AND CATE –
ON ABC’S “8 SIMPLE RULES FOR DATING MY TEENAGE DAUGHTER”

Backstreet Boys’ Nick Carter Guest Stars as Ben

“Drummer Boy,” Part II -- Unbeknownst to Paul and Cate, a love-struck Bridget drives to an Ohio college with Kerry to meet up with drum instructor Ben (Backstreet Boys’ Nick Carter).
Meanwhile, Rory tries to find a simple alternative to writing a book report without actually reading the assigned novel (To Kill a Mockingbird), on “8 Simple Rules for Dating My Teenage Daughter,” TUESDAY, FEBRUARY 11 (8:00- 8:30 p.m., ET), on the ABC Television Network.

“8 Simple Rules for Dating My Teenage Daughter” stars John Ritter as Paul Hennessy, Katey Sagal as Cate Hennessy, Kaley Cuoco as Bridget Hennessy, Amy Davidson as Kerry Hennessy and
Martin Spanjers as Rory Hennessy.

Guest starring are Nick Carter as Ben Hatcher, Amanda Lockwood as Sarah, Andi Eystad as Annie and Dempsey Pappion as Jessie.

“Drummer Boy,” Part II was written by Janis Hirsch and directed by James Widdoes.

”8 Simple Rules for Dating My Teenage Daughter” is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound.

hey where'd u get that info from? do u have a website u could give to me please??? :)