Charlie has to decide whether he can really commit to a serious relationship with Mia, especially when sex is currently off the agenda. Unsurprisingly, his suggestion that he sleep with other women in the meantime falls on somewhat stony ground.
Forced to hide in his garage to enjoy a brace of beers and half a Cuban cigar, Charlie's attempts to keep his unhealthy lifestyle habits secret from Mia fall apart when she smells bacon on his breath, resulting in their first major argument since taking their relationship to a physical plane.
Charlie learns that Kandi has been living with them for three weeks. It turns out he hasn't even noticed some furniture changes. Alan wants to try her as secretary, but Charlie doesn't think she's smart enough for that.
Alan is made to admit to Charlie, who keeps hitting it in, he has hit rock-bottom now that his brainless girlfriend Kandi has moved in with his ex. It's all so confusing that Jake would prefer dad's ladies to be lesbians, then tells him Kandi's ma Mandi has joined Charlie's endless list of sexual conquests. Alan can't talk to Kandi, she just repeats Judith's phrases, clearly without understanding the words, but he sees her dad, Mandi's ex Andy, arrive on blind date with his own ex Judith. Frolicking finale at Judith's, in rooms, bed and hot-tub...
Jake has his first boys-girls party, dating a smart girl, Wendy Cho. Alan was looking forward to coaching his son, but even Jake, who spends his schooldays watching the clock tick, isn't dumb enough to consider dating advice from the worst womanizer in L.A., while Charlie proves he can coach a virtually hopeless case -Alan and Judith's genes without the IQ- trough appearance, dance and anything else. In fact Alan envies Jake so much, he still hopes for ...
When Judith announces she is going to remarry, Charlie and Alan must convince her fiancé to proceed with the nuptials after he displays signs of cold feet, so that Alan can discontinue alimony payments to Judith.
After a bout with insomnia, Alan is escorted home from a midnight run on the beach by the local sheriff's department. Jake fights back when Charlie goes back on his word about not dating his friend's mother.