Time Travel

Stories involving time travel, whether by humans or aliens.

  Child of:  Science Fiction. Related tags:  Nonhuman;Space Travel;Time Travel.

  Tag Group:  Scifi.

B 1

The birth of divinity by Daliah Grows With the modern discovery of an ancient tomb, we see the past trials on the path to godhood. Will modern men fall privy to the same mistakes, or will they engorge beyond their mortal limitations? 18 parts 24k words Added Jan 2025 Updated 26 Apr 2025 20k views 4.7 stars (7 votes) No comments yet •Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Hyper Muscle•Immobility•Muscle Growth•Muscle Gut•Man Scent•Voluptuous Men•Butt Growth•Belly Growth•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase•Hair Growth/Getting Hairy•Getting Fatter•Time Travel•Pagan gods•Complete•Ancient Era •M•M/M•M/M/M

C 1

Colt chronicles: A form for any occasion by Neltharion5 5,218 words Added Feb 2010 20k views 3.3 stars (9 votes) No comments yet •Huge Cock•Multilimb•Muscle Growth•Muscle/Strength•Transformation•Time Travel•Centaurs•Shapeshifting

F 2

The four Ds by BRK Four close friends get away for a mountain cabin vacay, only for the environs to make them hornier than usual. 12 parts 51k words (#83) Added Apr 2024 Updated 14 Jun 2025 20k views 4.8 stars (26 votes) No comments yet •Always Hard•Cock Growth•Cockless•Nipcocks•Self-suck•Nipple Emissions•Extra digits•Multicock•Multihead•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Six Legs•Multitorso•Replication•Stacking•Hyper Muscle•Muscle Growth•Always Shirtless•Increased Libido•Detachable•Getting Handsomer•Voice Deepening•Getting Taller•Plausible Size Difference•Size Decrease•Mouthcock•Incest•Brothers•Body Swap•Time Travel •M/M•M/M/M•M/M/M/...

Future perfection by Unknown 3,416 words Added May 2003 16k views 4.0 stars (1 vote) No comments yet •Body Swap•Time Travel

G 1

Gym of 1000 studs by LorneLyon Somewhere there is a special gym, a gym that will allow you to overcome your problems and give you something in return. One day Tobias is on the run for his bullies when he discovers the Gym of 1000 studs. He decides to go in and ends up changing his life. 2 parts 5,277 words Added Mar 2020 8,638 views 4.3 stars (3 votes) No comments yet •Muscle Growth•Space Travel•Time Travel•Supernatural •M/M

P 1

The price by Mikeytron Anthony’s husband, Tom, has just turned 40, and is in despair that his body will never become what he wants it to be. Anthony feels powerless to help, until a mysterious entity gives him the opportunity to rewrite Tom’s past– but there is always a price. A dark but hopefully redemptive story about desperation, time travel, and love. 5 parts 19k words Added May 2022 Updated 18 Jun 2022 20k views 5.0 stars (36 votes) No comments yet •Cock Growth•Other Mental Changes•Hyper Muscle•Immobility•Muscle Growth•Gradual Change•Retcon•Time Travel•Supernatural•Complete •M/M

R 1

Retroactive by BRK On the tenth anniversary of his best friend’s unsolved disappearance, a mysterious man offers Geoff the opportunity to see for himself what happened. He knows he shouldn’t trust the stranger, but can he really pass up the chance to learn the truth first-hand? 2 parts 6,723 words Added Jun 2023 3,802 views 5.0 stars (4 votes) No comments yet •Selfcest•Time Travel •M/M/M

S 2

Shaming the boastful centaur by DracumSum Bill makes a joke, and a Greek goddess makes it real. 7 parts 41k words Added Oct 2022 Updated 21 Oct 2023 24k views 5.0 stars (13 votes) No comments yet •Always Hard•Cock Growth•Cut to Uncut•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Cum Milking•Always Cumming•Hyper Cum•Four Legs•Hyper Muscle•Immobility•Muscle Growth•Public Nudity•Increased Libido•Breast Expansion•Getting Handsomer•Gradual Change•Transformation•Voice Deepening•Giants•Forced Growth•Human to Animal/Anthro•Hair Growth/Getting Hairy•Hairless•Retcon•First Time/Virgin•Bisexual•Nonconsensual change•Restraints•Hyper Pheromones•Time Travel•Centaurs•Pagan gods•Supernatural•Complete •M/M•M/M/F

The silver alchemist by BRK Alex and Jessie are two apprentice sorcerer-alchemists playing with spells they haven’t quite mastered, when a casting takes an unexpected turn. 2 parts 6,932 words Added Jan 2022 7,588 views 4.7 stars (7 votes) No comments yet •Transformation•Hair Growth/Getting Hairy•Retcon•Time Travel•Witch/Warlock/Wizard•Metabods 25•Invisibility•Complete•19th Century •M/M

T 1

21-year-old scotch by Cris Kane On his 50th birthday, a closeted man enters a gay bar and is given a drink with an unexpected side effect. 9 parts 46k words (#95) Added Aug 2019 Updated 21 Sep 2019 14k views 4.7 stars (7 votes) No comments yet •Huge Cock•Muscle/Strength•Age Regression•Time Travel•Witch/Warlock/Wizard •M/M•M/M/M