In additon, Luigi, Tari, Fishy Boopkins, Shroomy and Saiko (who was previously a recurring character in the last season) appear in less videos than before, a surprising fact considering their near-perfect inclusion rate in previous seasons to the point of being reduced to minor characters.
Meggy Spletzer took a temporary hiatus from appearing directly on the series, from March 12 with My New Adventure., and ending on July 31 in SMG4: She's Back!. The events of her vacation are shown in the aforementioned Sunset Paradise. She had appeared in flashbacks, phone/discord calls and livestreams, and also cameos in The SMG4 Movie with Auri Bori during her vacation.
During her departure, the SMG4 Gang currently runs a hotel business in the place of her house, called Bob & Breakfast 2 to help Meggy pay off her loans.
The eleventh season saw major censorship in its episodes, particularly in China where it is unofficially uploaded on bilibili due to the Great Firewall banning YouTube. The episode Into the Dark Web saw heavy censorship to comply with bilibili's Creative Treaty and guidelines from China's Ministry of Public Security. The result shortened the episode's original length from 13 minutes to 8 minutes, as of which the mere mention of the Dark Web was censored, with the episode retitled as Enter The Mystery (进入神秘之处), with the mention of VPNs and gore were cut.
In a similar manner to Desti's death in Season 9, Axol's death at the end of SMG4: War Of The Fat Italians 2021 also proved to be extremely polarizing. While some appreciated the sacrifice he made, others found it unacceptable and poorly-handled, and wanted him revived.
Prior to the release of SMG4: The Resurrection, it was leaked as it was accidentally listed as unlinked instead of private. It was quickly privated soon after until February 6.
Likely as a result, SMG4: The Resurrection is placed before SMG4: The Intruder... in the official playlist, even though the latter was released first. This could be explained as the former having its release delayed due to being leaked.
the former Anti-Cast members appeared much less than the previous season.
Melony appears to be the primary exception, as she has appeared in several Season 11 episodes.
Tari appears in this season with a main role the least, having played a main role in 36 episodes from her debut episode to Season 10, only playing a main role in seven episodes, despite having a main role in the season's premiere episode.
This is one of the few seasons to not end with any sort of New Years celebration due to the final episode taking place exactly on Christmas day.
This season introduced the use of Uberduck.ai to use speech synthesis typically used for characters like Mario and Luigi who use voice clips, by synthesizing their original voice actor's lines and used it for typed dialogue.
This is the first season since Season 8 to release two story arcs in the same year.
SMG4 Season 12 Episode 61·SMG4 Season 12 Episode 62·SMG4 Season 12 Episode 63·SMG4 Season 12 Episode 64·SMG4 Season 12 Episode 65·SMG4 Season 12 Episode 66·SMG4 Season 12 Episode 67·SMG4 Season 12 Episode 68·SMG4 Season 12 Episode 69·SMG4 Season 12 Episode 70