For The Princess and the Frog, Walt Disney Pictures is the only studio credited in the trailer as it owned and produced the movie. The company is also the one that uploaded the trailer onto YouTube. In Sonic the Hedgehog both Paramount Pictures and SEGA are credited. Paramount Pictures is the studio making the film and SEGA is the company that owns Sonic

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The voice of Tiana in The Princess and the Frog is Anki Noni Rose, an actor who’s mainly known for this movie and Everything, Everything. Both films have romance as the main focus. Another film she’s known for is Dreamgirls, a musical about three soul singers. The Princess and The Frog is based on the Jazz era and is also a musical. Bruno Campos is the voice of Naveen and stars in Crazylove and Jesse as well. All three of these are about unconventional romance: Crazylove is about two institutionalised people, Jesse is about a single mother trying to find love again and The Princess and the Frog is about a frog trying to get a princess to kiss him. Meanwhile Ben Schwartz (the voice of Sonic) is most known for being in Parks and Recreation. The character he plays is described as “annoying yet lovable” which fits Sonic somewhat. Parks and Recreation is also a comedy. Jim Carrey (the actor who plays Robotnik) is famous for his cartoony expressions and movements. He mostly stars in comedy centric media (like Ace Ventura: Pet Detective and Bruce Almighty) because of it. He’s also a producer. The actors for both of these films understand the genre of their respective movies and are familiar with acting in them

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There’s a bit of slapstick humour in The Princess and the Frog's trailer but ultimately when the book is being read it’s clear that this film is a romance, possibly also being a romantic comedy. This is cemented when the two characters kiss. 

Sonic the Hedgehog's genre is an action and a comedy. Its obvious that this is a comedy due to how many pauses there are in the trailer to tell a joke and with how many scenes are in there just to tell one, like the dart scene. Another way is with there being a juxtaposition used as a joke with the rubber-band ball scene where Tom tells Sonic they’re not going to see it but Sonic does it anyway. The easiest way to tell that this is a comedy though is Sonic himself as he’s a cartoony character in a real life setting, something the trailer does use for jokes like in the scene after the title screen. Comedy is also very common in his franchise. Its also clear that this is an action because of the main plot with Sonic being hunted by robots for his powers. We are introduced to the main villain who does physically threaten the main characters in one of his first scenes in the trailer, showing that this film will at least have tension. Its also obvious that this would be an action film due to Sonic’s branding, his franchise has always been about action since the very first game. Both genres have distinct codes & conventions and follow them as usual

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The first actual scene from The Princess and the Frog is a close-up of Tiana and the camera pans down to the shot also having Naveen. Tiana looks at the sky and then notices the frog next to her and screams. This type of shot was used to fully show her expression. When Naveen talks in this movie trailer the camera only focuses on him. For Sonic the Hedgehog the first scene is an establishing shot of Sonic’s world and then a close-up of his eyes as he’s about to start running. Most of the establishing shots are used to show how fast Sonic can run in a space. The close up of him getting ready to run with his eyes show that he’s a determined person and that he possibly enjoys running as he’s smirking. Both of these use close-ups to highlight a characters emotion (Tiana screaming and Sonic smirking) but use different shot types for their first scene. Tiana looking at the sky is associated with thoughtfulness and possibly longing, two things that can be viewed as romantic. Sonic the Hedgehog has an establishing shot to show Sonic's speed through it and to also show the scenery as its a callback to the original games

When Tiana smacks Naveen with a book in The Princess and the Frog there’s a slightly low angle shot of her, this shows how Naveen sees her as he’s very small. It also emphasises the power she has over him because of his height and makes you feel slightly bad for him as he just got hit by a book. There’s also a low angle shot in Sonic the Hedgehog of Sonic, Tom, a drone and Robotnik in the house. The angle exaggerates Tom and Robotnik staring surprised at Sonic and may also represent how Sonic feels as he suddenly comes out of hiding, scared and worried. Both use a low angle shot to emphasise a character feeling (and physically being) small and afraid 

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There are not that many examples of camera movement as this film is only animation but in the first scene it focuses on Tiana and then it pans down to Naveen. After the scene with Naveen holding the book, there’s a zoom focusing on Naveen as he sits down. That scene is also when the “Voice of God” narrator starts talking. After the kiss the camera pans down from Naveen to Tiana, who has now turned into a frog. As Sonic the Hedgehog is filmed in real life, there are more camera movements in that film. As Sonic reads more comics in a scene the camera pans out to show how many he’s read. This is to further emphasise his speed and show how fast he can read them. In the baseball stadium scene there’s a tracking shot of the ball flying in the air, a simple way to tell the audience when Sonic finally throws the ball. This also breaks up from all the mid and long shots in this scene. When the stadium breaks, the camera pans up from the stadium to the woods around it. This shows that Sonic didn’t just affect the stadium and actually damaged the space around it. In the establishing shot of a house, the camera pans to the left where the drones are flying towards it. This helps emphasise the drones movement and naturally show here the next scene is happening. When the drone is scanning Tom, there’s a short shot of it zooming in on the drone. This acts as a point-of-view shot for Tom as well. In one of Robotnik’s scenes, the camera is sideways and then flips over correctly closer to Robotnik. This may be a hint to how crazy Robotnik is and how he’ll go at any lengths to catch Sonic. Its also notable that this movement doesn’t look natural and may have been done in editing. The Princess and the Frog use movement to naturally get the audience to look at where the director wants them to, while Sonic the Hedgehog uses it more stylistically like with the tracking shot of the ball and Robotnik's scenes halfway in the trailer

The Princess and the Frog has a full theatrical trailer as its 2 minutes and 24 seconds. As this is an animated movie, there are not any special effects. The trailer for Sonic the Hedgehog is 2 minutes and 51 seconds long, being a full theatrical trailer. It’s also titled as being the “New Official Trailer”. As Sonic is a cartoonish character in the film, his entire character is CGI. The drones are also CGI. This was done as CGI was the best way to “cast” them. As they're both main parts of the film (one literally being the titular character and the other being a lackey for Robotnik that often come in groups) they couldn’t just be taken out. Naturally the sparks from Sonic as he runs, the stadium collapsing, the Earth’s lights suddenly going off and the car flipping over on its side are all special effects. There was no other way to do them and have them look realistic otherwise. Most of the stunts in the movie are done by Sonic, who is already a CGI made character, so it should be obvious why the explosions and stunts in his scenes aren’t real. In the scene of Sonic dancing, the rubble from the car and the smoke coming out of it are clearly CGI. This may have been done as they couldn’t do it at filming or because it’d be easier to do it in editing. Comedies are more likely to do special effect than romance films as a joke like to exaggerate something. It's also noteworthy to mention that Sonic the Hedgehog is also an action and that many action films have CGI and stunts as well

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The first scene we see in The Princess and the Frog is of Tiana staring up at the sky. The sky is blue and matches her dress, but there’s also light behind her that’s more warm. We later find out the warm glow is coming from a room inside. Blue is often a colour associated with calmness and tranquillity while red is the opposite. This contrast between colours may represent how Tiana feels while looking up at the sky and hearing Naveen speak, torn between hearing out what he has to say or leaving him. In the movie the reason why she’s dressed up so formally is for a party, but it’s never shown or mentioned in the trailer. As the camera pans down onto Naveen we see the red glow on him as well with there being noticeably less blue on him. In Sonic the Hedgehog the first scene is of Green Hill. The lighting is bright and the scenery is lush with trees and waterfalls. This is meant to show that we’re clearly not on Earth and that this is somewhere completely different. Green Hill is also a place in game (most likely the most famous one that everyone can recognise) so the producers wanted to stay true to the setting. The places ground is checkerboarded and some have square chunks missing, a direct reference to the pixel art in the game. The scenes in Green Hill make sure to utilise its rich setting with a shot of the waterfall cascading down a bridge. These scenes set up the tone of the films well, with The Princess and the Frog being serene and Sonic the Hedgehog focusing on being beautiful and interesting. Sonic the Hedgehog purposely chose Green Hill as its a familiar place to fans and to showcase Sonic's world in contrast to Earth

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In another scene of The Princess and the Frog the lighting suddenly becomes a very bold pink and purple, the background being many scary masks around Naveen. This lighting gives off the feeling that this is unnatural and maybe even magical of some sort, especially with Naveen talking about how he was cursed alongside it. In a scene with Dr. Facilier there are curtains that open with a poof before a large mask appears. The shot afterwards has him lifting green goop with white symbols flying around him. The green goop could be a representation of Naveen turning into a frog and Dr. Facilier gaining power from it. The purple lighting with him gives off a sinister and magical vibe with how bold it is. These scenes strongly implies that he has magic of somewhat, specifically voodoo magic. Sonic the hedgehog presents its villain differently. The “ANOMALY DETECTED” sign is red, a very common colour used for danger. It stands out against the blue of everything else around it to emphasise the danger. The people in that scene also wear black, making the audience assume that these are people with power and could possibly be the government. At the beginning of Robotnik’s montage the lighting changes from bright white to red. This may be a call back to how the “ANOMALY DETECTED” sign is also red as Robotnik is trying to track down Sonic. As he is also wearing black clothes, this may imply that he works with or for the people that first saw the sign in that previous scene. The colour can also be a call back to how his design in the games is mostly red as Robotnik in the trailer is seen with red lighting. Both villains have signature colours (purple & pink and red & black). The Princess and the Frog uses the fact that its animated to have Dr. Facilier have exaggerated backgrounds and lighting. Sonic the Hedgehog meanwhile uses bold lighting and colour coding to present Robotnik, being heavily associated with red in the trailer

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The first 30 seconds in The Princess and the Frog trailer is actually a sizzle reel showcasing all the previous films Disney worked on and produced. It first shows a sketch of the most iconic scenes in these films and then they glow and turn into the fully animated scene in the original movie. The reel finally ends when it shows the main character of the film (Tiana) in the same way as the other previews and the actual trailer begins. Sonic the Hedgehog doesn't have a sizzle reel as there's no need for one, its the first film of it's franchise and is already associated with SEGA. However during SEGA’s logo there’s a short clip of Sonic in game. This is just there for reference and to recall Sonic's history

The scene with Naveen in a chair and snakes has a flash of light before and during it. This shows that this is a flashback and may be a retelling of what’s happening. Sonic the Hedgehog has a transition like this with the scene of Sonic reading comics as there’s a quick fade from black. This shows that there’s been a bit of a time-skip of Sonic finding somewhere to live. For most of the trailer there’s not many transitions as hard cuts but a lot of shot changes, the only other transition is Robotnik and Tom first meeting and we hear them talk before seeing the actual scene. This gives the trailer a fast-paced feel, fitting with the titular character. The Princess and the Frog and as its animated it lends well to some of the more interesting ones (Dr. Facilier blowing smoke towards the camera, which could symbolise him not wanting people to know his sinister plans, for example) 

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The Princess and the Frog has a "Voice of God" voicing over a few scenes around the one minute mark. The narrator is used for flavour text and to further give intrigue to the audience with lines such as “No one knows what happens after the kiss..”. The narrator also reads some of the text on screen such as the title and “This Holiday Season”. Most of the trailer is dialogue between two characters, mostly Tiana and Naveen as they are the main ones. Sonic the Hedgehog starts with a voice over from one of the characters, Sonic, talking about themselves and their planet. It then goes over to scenes with dialogue. This helps to introduce the story to the audience in an understandable way especially since the film goes in chronological order to tell its plot. Voice overs from the characters are used a lot in this trailer since its an easy way to get the audience to care about the characters, especially the original characters since they’re new and don’t have the safety net Sonic and Robotnik do because of that. Narrators are prevelent in both genres, but they both use it differently. Sonic the Hedgehog uses it as a way for the main characters to introduce themselves and describe how they're feeling (like how Sonic feels about being lonely on Earth but still enjoying his time). The Princess and the Frog uses a "Voice of God" narrator to make the story feel more grand and to reference the fact that the original story is a fairy tale from a book, stories that are usually read outloud

The Princess and the Frog's trailer music is mostly quiet and subtle to allow the characters to talk over it. It builds up right before Tiana squashes Naveen with a book, suddenly stopping right after. The music builds up again with vocals as Tiana gets turned into a frog, it pauses for a moment when she starts talking but it quickly picks up again. The music then stays impactful and emotional throughout the trailer to further highlight the dramatic scenes. After the title is revealed, it stops. In Sonic the Hedgehog, rock music plays halfway through the trailer as Robotnik dances and it stops with a thud sound effect so Robotnik can tell a joke. The thud effect is used to give more effect to the song suddenly stopping. Stopping the music to tell a joke is something comedy trailers do very often, to the point where its usually expected. In The Princess and the Frog the music builds and rises, it's the same song throughout the trailer. Meanwhile Sonic the Hedgehog has multiple songs in its trailer and uses it more quietly to allow the characters to tell jokes over them