Harvey Birdman: Attorney at Law Cheats - PSP
To unlock the 5 secret movies, you have to find all of the Street fighter cameos in each case:
Bear (Case Timeline) - Case 2: Ask Peanut if the office is going zen.
Blooper Reel - Case 5: Demand Falcone for a raise in his office.
I Think.... (Case Timeline) - Case 3: Tell Dum Dum, That you won't calll to tell them to take out the garbage.
I'll Take The Case! (TV Show Timeline) - Case 1: Say that the lighter is a trick lighter.
Lobster (Case Timeline) - Case 4: Show the Duplicator Peanut's fake ID.