Season 8 Episode 23. Robin desperately tries to locate the item that she buried in Central Park years earlier to wear as her "Something Old" for the wedding. Meanwhile, Marshall and Lily ask Ted to help them pack for Italy, and Barney invites Robin's father to play Laser Tag in order to bond with him.

Season 5 Episode 23. When Homeland Security inexplicably seals the crime scene of a car bombing, Castle and Beckett find themselves with two mysteries on their hands: who murdered the victim, a government whistleblower, and why are federal agents trying to take over the case? The plot thickens when they discover that the victim wasn't killed by a car bomb but by a missile from a military drone.

Season 4 Episode 12. While Pete and Claudia travel to Oregon to look for an artifact used to kill enemies of the environmental movement, Artie deals with the repercussions of Leena's death.

Season 7 Episode 12. Jeff is determined to make Brenda laugh when he discovers that she has a “wee” problem due to her pregnancy. Meanwhile, Timmy is surprised by the professionalism of his new boss while Russell is frustrated with his new assistant.

Season 24 Episode 19. Moe is flying high after venture capitalists take a shine to his homemade whiskey, while Grampa, after injuring himself babysitting Bart, decides he'd rather be looked after by his grandson than be at the nursing home. Also, Lisa voices her displeasure at a hologram of music legend Bleeding Gums Murphy, and Sonny Rollins (as himself) shows up to ask her to stop all that jazz about boycotting a record label.

Season 5 Episode 22. Just as Jane narrows down the Red John suspect list to seven, Red John strikes again, and the victim has a link to Jane’s past.

Season 6 Episode 6. Roger changes his approach to make new business, while Pete has an awkward run-in with a client.

Season 3 Episode 23. The third Kerkovich sister, Brooke, is the alpha sister of the group, and Jane has the daunting task of planning a wedding for her more perfect and exquisite older sibling. Meanwhile, Brad is having a tough time himself dealing with Brooke's equally more perfect African American fiance, Elliot, and Alex and Dave have a big secret they're hiding.

Season 6 Episode 22. Leonard and Sheldon hire the host (Bob Newhart) of their favorite childhood TV show to perform; Bernadette and Howard run into trouble while dog-sitting for Raj's pet.

Season 10 Episode 22. With encouragement from Walden, Alan decides to update his look; Alan is faced with a moral dilemma when he attracts a married woman.