Two and a Half Men Season 1 Episode 8

After being tricked into helping Alan and Judith produce Jake's classroom musical, Charlie is flattered to find out that the kids know all the words to his jingles. Alan is blind-sided with divorce papers from Judith, causing strife which results in Charlie, who refuses to deal with the pre-pubers without a snootful, having to produce the play on his own. Jake is crushed when he realizes that a reconciliation between his parents may never happen.