Or, just so we dont lose them again...

50: RC Warrior vs Beef-Cake (specifically the House Robot attack)
49: Bulldog Breed vs Tough As Nails
48: Chaoss Tug Of War Trial
47: 259s debut
46: S3 vs Mousetrap 2
45: Bulldog Breed & Robochicken vs Lightning & Steel Avenger (specifically Bulldog Breeds battle with Growler)
44: Inferno Insurrection
43: Gravity vs Lightning
42: Chaos 2 vs The Big Cheese
41: Razer vs The Widows Revenge
40: Panic Attack winning the Sumo competition
39: Diotoirs hectic pinball run
38: 13 Black vs Gravity
37: 101 vs King B Powerworks
36: The Northern Annihilator (specifically the luck Killerhurtz had)
35: Behemoth vs Crushtacean
34: The first ever Antweight competition
33: Diotoirs Season 3 run
32: Razer vs Pussycat (first encounter)
31: GBH2 vs ICU vs Sir Chromalot vs The Alien
30: The Plunderbird Teams history
29: Bigger Brother vs Chaos 2 vs Thermidor 2 vs Wheely Big Cheese
28: Chaos 2 vs Wild Thing
27: Gravitys debut
26: Bigger Brother vs Hypno-Disc
25: Storm 2s debut
24: Chaos 2 vs Dantomkia
23: X-Terminator vs Tsunami
22: Chaos 2 vs Bigger Brother
21: Razer vs Firestorm 3 (second encounter)
20: Hypno-Discs Season 3 run.
19: Hypno-Disc vs Pussycat
18: Storm 2 vs Typhoon 2
17: Chaos 2 vs Hypno-Disc
16: Iron Awe 2.1 vs Typhoon 2
15: Tornado vs Diotoir
14: Dantomkia vs Gravity
13: Gemini vs Kater Killer vs Tornado
12: Storm 2 vs Steel Avenger (specifically the OOTA)
11: Chaos 2 vs Firestorm (specifically the OOTA)
10: Razer vs Bigger Brother
9: Chaos 2 vs Pussycat
8: Hypno-Disc vs Splinter
7: Hypno-Disc vs Robogeddon
6: Behemoth & Gravity in the House Robot Rebellion
5: Firestorm 4 vs Panic Attack (in Extreme 2, specifically for Firestorm defeating Mr Psycho)
4: Final of the Southern Annihilator (Specifically for Razer destroying Matilda)
3: Cassius self-righting for the first time.
2: Razer vs Tornado (S6 final)
1: Wheely Big Cheese vs Axe Awe

Well, thats the official list anyway. Looking back, Id change a few things though.