“Two and a Half Men”: Season 7

On the seventh season of the Emmy-winning sitcom “Two and a Half Men,” the majority of the episodes revolve around love. And the man nursing a heartache isn’t who you’d suspect. Charlie (Charlie Sheen) has always been a love-’em and leave-’em kind of guy. But now engaged to Chelsea, he wants to settle down. Wait, make that he wants to want to settle down.

“Two and a Half Men”: Season 3

In the third season of “Two and a Half Men,” the usually sensible Alan (Jon Cryer) ends up dating someone young enough to be his daughter, as well as a senior citizen old enough to be his mother.

“Two and a Half Men”: Season 2

Take a pair of bickering brothers, a precocious child, an ex-wife, and a meddling mother and you’ve got “Two and a Half Men.” In the sitcom’s sophomore year, which aired during the 2004-2005 television season, siblings Charlie (Charlie Sheen) and Alan (Jon Cryer) have their living situation somewhat under control.