My first contribution--yay! 8D
Aerialbot and Ratchet heavy, methinks. :->
1. During a fight with the Decepticons, Silverbolt gets separated from the other Aerialbots. The Decepticons' Seeker trine finds him--injured, alone, and unable to contact his wingmates or the other Autobots.
2. Hook compares medical methods with a captured Ratchet. He resolves to break Ratchet first.
3. When Blaster's cassettes are slaughtered in front of him (he and his cassettes having been captured by Decepticons), something in his processor snaps. He refuses to believe that they're gone and goes into serious denial.
4. Sunstreaker and Sideswipe jump Ratchet with stasis cuffs (yes, like the ones from TFA). Why and what they do next are both up to you. ;)
5. [Crossover: TF-Iron Man] Against his better judgement, Ratchet finds some form of common ground (companionship, love-interest, etc) with Tony Stark (A.K.A. Iron Man).
6. In which Thundercracker and Skywarp poke fun at (and actually consider helping with) Starscream's newfound lust for a certain Aerialbot leader.
7. [2007 movie-verse/Iron Man crossover] Tony Stark's power-generator turns out to be a resourceful, makeshift energy-source similar to that of the All-Spark.
8. [2007 movie-verse] News of Megatron's death reaches Shockwave--who, in his own particular way, mourns for the loss of his leader.
9. [2007 movie-verse] Sunstreaker and Sideswipe come to Earth with a handful of other Autobots; Ratchet is their bondmate.
10. In his days before he became the treacherous Decepticon SIC, Starscream had fallen in love with (but was never bonded to) Skyfire. Now, Skyfire is elsewhere in the universe, trying to escape the war. Starscream sees something (a trait, characteristic, etc) like Skyfire in Silverbolt. He then plots to capture the Aerialbot leader for himself.
11. Iron Man (Tony Stark) challenges the Aerialbots or the Seekers to an air-race. All but one (of the seekers/aerialbots) end up biting his dust.
12. Chromia hears that Ironhide is on the planet Earth--not too far from her own sector.
13. Tony Stark flirts with (Ratchet/Wheeljack/Chromia/Jazz) just to make their respective mate[s] (the twins/Bluestreak/Ironhide/Prowl) jealous.
14. [2007 movie-verse/Iron Man crossover] In which, after being transferred into a humanoid shell by Tony, Jarvis is fussed over by Ratchet/Wheeljack/Optimus Prime (even better if by all three).
15. Animated Blitzwing meets G1 Seekers (bonus if it includes the Coneheads).
16. Megatron gets angrily flustered/jealous when witnessing a scene of simple camaraderie between Optimus Prime and one of the Autobots.
17. [Movie-verse; battle at Tranquility] Instead of automobiles, the Autobots took on humanoid forms similar in structure to the Pretenders; however, a glitch occurs at Tranquility that keeps them from using their Cybertronian strength/transforming. The Decepticons take advantage of this (whether the Decepticons are in robot form or Pretender form is up to you).
18. [2007 movie-verse] Red Alert comes to Earth; Lennox and his men are there to greet him.
19. [2007 movie-verse] Ratchet comes across Blackout, amazingly still alive, during a run for supplies. Blackout isn't as helpless as he seems...
20. [2007 movie-verse] In which Sam's cousin, Spike Witwicky (based off of the G1 character), is introduced to the Autobots.