21. Caroline and El Niño

After deciding they can't wait to get married, Caroline and Richard plan their nuptials for the following week. But while Caroline and Annie search for the perfect wedding dress, Richard shows up at the bridal shop with a bombshell announcement regarding his ex-wife: Julia has given birth to their son. Caroline gets an unexpected visit from Randy; and Annie and Del flirt with the idea of having a no-strings-attached fling.