* The exploding toilet.
* Most of the time that the "1, 2, 3, then go" issue comes up, which becomes a joint CrowningMomentOfHeartwarming and [[CrowningMomentOfAwesome Awesome]] the last time it occurs during the fourth movie.
* Both the opening of the third movie, and the little bit after the ending credits. Especially the latter, where Riggs and Murtagh show up ''just'' before the bomb goes off - and they take off like a bat outta hell.
* "My mom says cops shoot black people!" Riggs busted up laughing, and it looked to me like Mel Gibson was ''genuinely'' laughing, too.
* The look on Roger's face when he realizes the commercial Rianne was in is a condom commercial.
** Followed by that guy who was building Roger's hobby room commenting about how she was so good in the commercial, it made him want to go out and buy rubbers. Riggs barely contains his laughter.
* When that smug prima donna director fires Rianne on the spot, Riggs convinces him to hire her back at a higher salary by smacking him around like a redheaded stepchild, while passing it all off as an attempt to help the director back to his feet.
* When Murtaugh pulls his gun on Riggs for interrupting his DrowningMySorrows moment, Riggs goes and pulls a Daffy Duck by ''[[CrazyAwesome sticking his finger in the barrel of the gun]]'' and taking Roger's bottle away. It gets better, as Roger then says "Get your finger out of my bottle and give me back my gun!"
** And then, once he smacks some sense to Murtaugh... well, see PapaWolf.
* Riggs ramming his dislocated shoulder into a wall to re-set it with a massive grimace of pain--six inches in front of his psychologist's face. She just gives him a resigned look.
-->"How do I know you're the police?"
-->"After I shoot you through the door, you can examine the bullet! Open up!"
* After Riggs and Murtagh are demoted, they have to deal with a jaywalker. Said jaywalker turns out to be a little obnoxious, so Riggs deals with the problem by pretending that [[http://www.youtube.com/watch?v=3A3iNVaLod4 they're just gonna kill him]].
* In ''4'', Riggs keeps hanging the picture of Murtaugh in his underwear. Murtaugh is getting more than furious.
-->'''Murtaugh:''' ''This shut ain't funny anymore!''
** After the two were promoted to captain, they see it again.
-->'''Riggs:''' Could we please knock out this shit already? This is your captain speaking.
* Also in ''4'', Butters arrests a Chinese person who's at the wrong place at the wrong time.
-->'''Butters:''' You have the right to remain silent. SO SHUT THE FUCK UP. You have the right to an attorney. If you cannot afford an attorney, we will get you the dumbest fuckin' laywer on Earth. If you get Johnnie Cochran, I'll kill you!
* The opening car chase from '''LethalWeapon2'''
-->[Riggs is about to drive up onto the center divider of an overpass in Trish's new car during a pursuit]
-->'''Murtaugh''': You're not going to make it!
-->'''Riggs''': Yes, I will.
-->'''Murtaugh''': [anxiously] There's not enough room!
-->'''Riggs''': There's plenty of room, sure I'll make it!
-->[Riggs runs the car up onto the divider, scraping it along a metal guard-rail]
-->'''Murtaugh''': [screaming as sparks fly] Ah, my side panel!
-->'''Riggs''': Goddamn it, you were right. There wasn't enough room.
* The "rubber" tree that the other officers leave on Murtagh's desk after his daughter's big break... in a commercial for condoms.
* Lorna takes Riggs back to her place after a mission. While Riggs jokingly fiddles around with Lorna's stuff after she told him not to, he happens to find a TheThreeStooges video game on her computer, much to Riggs' amazement since he too is a fan.