The season finale focuses on the fallout of Alan's long-running deception:
The ceremony at Walden's beach house quickly unravels. A drunk Lyndsey crashes the wedding, landing in the cake, and Gretchen's ex-husband, Derek (played by guest star Brad Paisley), appears to win her back. Watch Two And a Half Men S11E22
In a lighter subplot, Walden creates a smart-aleck artificial intelligence robot named "WALD-E". Where to Watch The season finale focuses on the fallout of
Alan finally confesses his true identity to Larry, admitting he is not "Jeff Strongman". This leads Larry to call off his wedding to Lyndsey. landing in the cake