THE BACHELOR - 'Episode 1604' - Jennifer is the next fortunate woman to get her first one-on-one date. The adventurous Bachelor reveals that they will be rappelling down into a mysterious crater, where there is actually warm water below. Lowering themselves into the dark abyss, they drop to the water and reunite for a kiss. Later that night, the couple enjoy a romantic rain-soaked outdoor dinner and a then a real treat: a private concert by country music superstar Clay Walker. Jennifer feels she is a perfect match for Ben, but will he feel the same and extend her a rose? The next episode of 'The Bachelor' airs MONDAY, JANUARY 23 (8:00-10:01 p.m., ET), on the ABC Television Network. (ABC/NATALIE CASS)JENNIFER, BEN FLAJNIK