Rose and Alan discover each other's secrets. Meanwhile, Charlie's desperate to get some time alone with Rose.
While Charlie and Rose carry on their "affair," Alan's chiropractic business turns into a Ponzi scheme.
Obsessed and believing her to be married, Charlie starts stalking Rose. Jake and Eldridge start taping themselves doing Jackass-style stunts.
Alan feels paranoid when Lyndsey becomes friendly with Charlie.
Depressed after his breakup from Courtney (Jenny McCarthy), Charlie goes to see his psychiatrist (Jane Lynch).
Alan goes to great lengths to be able to get Lyndsey a nice birthday present.
When Charlie's ex-girlfriend Courtney is released from prison, he treats her to the good life despite her having been in prison for conning him.
When Berta takes a couple of days off, Charlie falls for her replacement. Meanwhile, Alan believes he's being stalked by Lyndsey's ex-husband.
Charlie and Alan try to set up Evelyn with Russell the pharmacist.
Charlie's girlfriend gets fed up with his stalker, Rose.
Charlie has difficulty dealing with dating a slightly older woman.
Alan pretends to be Charlie when he goes out on the town; Charlie sneaks off for cosmetic surgery.
Lyndsey and Eldridge move into Charlie's house after their home burns down.
After moving in with Lyndsey, Alan continues to have a rendezvous with Melissa at Charlie's house.
Charlie is willing to do anything for Alan to accept Lyndsey's offer to move in with her.
When Jake finds out that Alan has been dating Eldridge's mom, he packs up and heads to Judith and Herb's. Meanwhile, Charlie decides it's time to cut back on boozing.