(I just go by what i read nothing is 100% until it airs this is just from cast interviews, spoilerfix.com IMBD and etc.)
Season 2, Episode 19: Never Mind the Buttocks
19 April 2006
Veronica calls her Dad because she thinks someone is going to get shot. About that time someone walks in where Keith is and he looks worried. Veronica looks for a dog killer after being hired by a student whose pet was ran over; Keith discovers surprising revelations about Kendall's past; Weevil learns that the Fitzpatricks are abusing his old gang members; Jackie applies for a job at Java the Hut and asks Veronica to put in a good word for her; Wallace tries to get back together with Jackie, but she gives him some heartbreaking news. Lavoie is interested in what was on the video tapes featuring Lily and Echolls. He also wonders if Veronica keeps in touch with Duncan.
Season 2, Episode 20: Look Who's Stalking
26 April 2006
Some sites are saying it is called either “Manning the Ship’ or ‘See You Next Tuesday" but my insight cable and a few sites say 'Look Who's Stalking". Its still about the same thing no matter the title.
Woody seeks Keith's help after a woman with whom he claims he's having an affair passes out on him in a motel; Gia believes she is being stalked by someone and asks Veronica to find out who it is; Veronica gets some stunning and unwelcome news when she gets a physical examination; Clemmons cancels the prom due to alcohol violations on the senior trip, but Logan organizes an alternative bash; voters cast ballots on whether or not to incorporate Neptune. "See you next Tuesday" is a term which is often spelled "C U Next Tuesday" and when then taking the first letter of each word you get a polite way to use an offensive word
Season 2, Episode 21: Happy Go Lucky
3 May 2006
Aaron Echolls will be tried for murdering Lilly or attempted murder of Veronica and Keith. As Aaron Echolls' (guest star Harry Hamlin) trial is about to conclude, tensions rise as Veronica, Keith and Logan take the witness stand to testify against him. Meanwhile, after Veronica finds a suspicious e-mail in Woody's (guest star Steve Guttenberg) computer, Keith turns to Sheriff Lamb with evidence to arrest Woody, but Lamb refuses, believing that Keith is trying to turn him into a laughing stock. Also, to everyone's surprise, Neptune High's janitor Lucky brings a gun into school with the intent to find Gia.
It's Aaron Echoll's trial. Logan, Keith, and Veronica are each brought to the witness stand. Lamb, Sacks, and Patrick Lavoie (episode 2.19) appear in the episode.
Season 2, Episode 22: Not Pictured
9 May 2006
Veronica tries to cheer Wallace up as he is not in a good mood due to Jackie leaving. We see Jackie in her new element... Vinnie and Keith talk about the bounty put on a man and consider teaming up to work on this case. Veronica keeps analyzing evidence from the bus crash case. Kendall meets a lawyer about Phoenix Land Trust. Beaver and Mac also appear. Rob Thomas reveals: You'll see [Keith and Wallace's mom] in a scene together in the finale, but I'm not sure that's going to be the kind of "together" you seem to be hoping for.