History Heartwarming / MysterySkullsAnimated

* Before the van crashes, Mystery into the back seat to make sure Vivi's okay. The following scene of the gang has him trying to drag her out of the wreckage.

''As a Moments subpage, all spoilers are unmarked. You have been warned.''

* Mixed with tearjerker considering that Lewis is currently trying to kill him but looking at Arthur's computer reveals that he seems to be searching for Lewis even as Vivi subconsciously erases traces of Lewis from their lives. He has set a photo of himself with Lewis, Vivi and Lewis's family as his background.
* In a way, the fact that Ghost Lewis has two pepper ornaments hanging from the mirror of his {{Pimped Out Car}}. They may seem out-of-place at first, until you remember that Lewis' beloved adoptive-parents are Mr. and Mrs. ''Pepper''.

* Arthur goes against his fear of Mystery and comforts him by petting his head, when he sees how distraught the dog is. Mystery leans into his palm with a thankful smile, and Arthur himself is grinning at the end. A ''literal'' PetTheDog moment for the powerful yokai; he ''knows'' Shinomori has risen and is after his blood once more, and he was just plain frightened. Moments (and a little yokai magic) later? The Mystery Machine starts right up.
* Mystery trying to drag Vivi to safety.
* Is also a TearJerker, but Lewis immediately having an MyGodWhatHaveIDone moment after throwing Arthur off a cliff. It shows that, despite everything, Lewis still cared about Arthur.

* As Arthur looks into Lewis' locket and sees him and Vivi together, a closer examination reveals the image is actually a group shot of the entire Mystery Skulls crew, possibly meant to symbolise Lewis' returning care for his old friends from before his tragic death.
* When Shiromori goes in for the kill on Vivi, Mystery transforms into his kitsune form and bites down on his leg to draw blood to distract the yokai long enough for Vivi to get away, despite the danger he's drawing to himself.
* The fact that Mystery appears to be [[MyGreatestFailure regretful of his treatment of Shiromori]] in the past, even convincing Vivi to spare her when she's vulnerable.
* As Lewis tries to burn away at Shiromori's vines, Arthur can be seen [[MeaningfulBackgroundEvent carrying his unconscious uncle Lance to safety]].

!!Meta
* Although none of it is canon, the staggering amount of fan art showing the Mystery Skulls gang back together in itself carries several heartwarming moments just from its conception, such as Lewis forgiving Arthur for his death, Vivi and Lewis reuniting, and Arthur's guilt over the event easing. Becomes even more heartwarming when the events of ''The Future'' bring the possibility of this actually ''becoming'' canon.
* One day after the video for "The Future" aired, Austin Lee Matthews [[PromotedFanboy (Arthur's voice actor)]] [[https://amtrax.tumblr.com/post/633610008154750976/god-this-is-so-unreal posted this on his Tumblr page]].

* Although none of it is canon, the staggering amount of fan art showing the Mystery Skulls gang back together in itself carries several heartwarming moments just from its conception, such as Lewis forgiving Arthur for his death, Vivi and Lewis reuniting, and Arthur's guilt over the event easing. Becomes even more heartwarming when the events of ''The Future'' bring the possibility of this actually ''becoming'' canon.

* Although none of it is canon, the staggering amount of fan art showing the Mystery Skulls gang back together in itself carries several heartwarming moments just from its conception, such as Lewis forgiving Arthur for his death, Vivi and Lewis reuniting, and Arthur's guilt over the event easing. Becomes even more heartwarming when the events of ''The Future'' bring the possibility of this actually happening in canon.

* As ??? takes possession of Mystery, it lets out a powerful shockwave that blasts Vivi away into the van. Upon seeing this, Lewis runs to her without hesitation to make sure she's okay.

!!Future

* Is also a TearJerker, but Lewis immediately having an MyGodWhatHaveIDone moment after throwing Arthur off a cliff. It shows that, despite everything, Lewis still cared about Arthur.

* Arthur goes against his fear of Mystery and comforts him by petting his head, when he sees how distraught the dog is. Mystery leans into his palm with a thankful smile. And Arthur himself is grinning at the end. A ''literal'' PetTheDog moment for the powerful yokai; he really likes his human companions and ''hated'' the idea of being alienated from them. Moments (and a little yokai magic) later? The Mystery Machine starts right up.

* Arthur goes against his fear of Mystery and comforts him by petting his head, when he sees how distraught the dog is. Mystery leans into his palm with a thankful smile. And Arthur himself is grinning at the end. A ''literal'' PetTheDog moment for the powerful yokai; he really likes his human companions. Moments (and a little yokai magic) later? The Mystery Machine starts right up.

* Arthur goes against his fear of Mystery and comforts him by petting his head, when he sees how distraught the dog is. Mystery leans into his palm with a thankful smile. And Arthur himself is grinning at the end. A ''literal'' PetTheDog moment for the powerful yokai; he really likes his human companions.

* Arthur goes against his fear of Mystery and comforts him by petting his head, when he sees how distraught the dog is. Mystery leans into his palm with a thankful smile. And Arthur himself is grinning at the end.

* Is also a TearJerker, but Lewis [[spoiler:immediately having an MyGodWhatHaveIDone moment after throwing Arthur off a cliff. It shows that, despite everything, Lewis still cared about Arthur]].

* Mystery trying to drag Vivi to safety.

* Mystery trying to drag Vivi to safety.
* Mixed with tearjerker considering that Lewis is currently trying to kill him but looking at Arthur's computer reveals that he seems to be searching for Lewis even as Vivi subconsciously erases traces of Lewis from their lives. He has set a photo of himself with Lewis, Vivi and Lewis's family as his background.

* Arthur goes against his fear of Mystery and comforts him by petting his head, when he sees how distraught the dog is. Mystery leans into his palm with a thankful smile. And Arthur himself is grinning at the end.