: Berta (Conchata Ferrell), Evelyn (Holland Taylor), Rose (Melanie Lynskey), and Lyndsey McElroy (Courtney Thorne-Smith). Major Plot Arcs
: Alan pretends to be Charlie for a night to impress a woman while Charlie is away for cosmetic surgery.
: Alan tries to balance moving in with Lyndsey while secretly meeting his ex, Melissa, at Charlie's house.
: The unexpected series finale for Charlie Sheen, where he and Rose head for Paris while Alan struggles to hide his financial fraud. Production Controversy
The season was cut short due to Charlie Sheen’s highly publicized personal struggles and fallout with series creator .
: Charlie Sheen (Charlie), Jon Cryer (Alan), and Angus T. Jones (Jake).