I've compiled video of every game-winning scoring play from the 4th quarter or beyond since 2005.

To qualify, the scoring play had to give BYU the lead after being tied or trailing in the 4th quarter and provide enough points to ultimately win the game.

2005 BYU vs New Mexico
John Beck 23-yard TD pass to Matt Allen - BYU 27-24 1:40 4th
https://www.youtube.com/clip/UgkxoJj_IOiQq6XA4n7bCi-nNFNKLjKuS8yL

2006 BYU vs Utah
John Beck 11-yard TD pass to Jonny Harline - BYU 33-31 0:00 4th
https://www.youtube.com/clip/UgkxQQtCuZf_v8X716yijxD5joKvqswRTF8G

2007 BYU vs New Mexico
Max Hall 14-yard TD pass to Dennis Pitta - BYU 28-21 11:04 4th
https://www.youtube.com/clip/Ugkxk_VyjFc6BdQS8bVZtQwpeNJ39K54cbGT

2007 Utah vs BYU
Harvey Unga 11-yard TD run - BYU 17-10 0:38 4th
https://www.youtube.com/clip/Ugkx11-DbERE6LYrSmXRQnymX12bcROJuGuG

2008 BYU vs Washington
Max Hall 15-yard TD pass to Dennis Pitta (Mitch Payne extra point) - BYU 28-21 3:31 4th
https://www.youtube.com/clip/UgkxyLd6KnxIJD0XmJBUr36Aega-GbKKX5QF

2008 UNLV vs BYU
Max Hall 6-yard TD pass to Dennis Pitta - BYU 42-35 1:46 4th
https://www.youtube.com/clip/Ugkxcp8C3zl7C1rUqK6BR27d82YyZxuAKbIu

2008 BYU vs Colorado State
Max Hall 17-yard TD pass to Dennis Pitta - BYU 45-42 0:22 4th
https://www.youtube.com/clip/UgkxzlcL7L8-1Zl3BImFcfllsxOyyHNAVq4M

2009 BYU vs Oklahoma
Max Hall 7-yard TD pass to McKay Jacobson (Mitch Payne extra point) - BYU 14-13 3:03 4th
https://www.youtube.com/clip/UgkxbldTD8HsED_ucIAQ0tYOzHSAwQmiWkaH

2009 Utah vs BYU
Max Hall 25-yard TD pass to Andrew George - BYU 26-23 OT
https://www.youtube.com/watch?v=QyvvqaTEfWo&feature=youtu.be

2011 BYU vs Ole Miss
Kyle Van Noy 3-yard fumble return TD (Justin Sorensen extra point) - BYU 14-13 5:09 4th
https://www.youtube.com/clip/Ugkx1KLZNTfA9WJf98d6PPCHHm9neLBmUc-g

2011 UCF vs BYU
Bryan Kariya 6-yard TD run - BYU 24-17 10:30 4th
https://www.youtube.com/clip/UgkxzcjnxT4UnDqGbi4F84x7kBlaNeF7aH2Y

2011 Utah State vs BYU
Riley Nelson 13-yard TD pass to Marcus Mathews - BYU 27-24 0:11 4th
https://www.youtube.com/clip/Ugkx_B6Qm95gvhm3r5_HeTlvUfOJjahkCapz

2011 BYU vs Tulsa
Riley Nelson 2-yard TD pass to Cody Hoffman - BYU 24-21 0:11 4th
https://www.youtube.com/clip/Ugkx5ybRL_YHsTOPPsv-Al7iOWgtgT9h43db

2012 BYU vs San Diego State
Kyle Van Noy 0-yard fumble recovery TD - BYU 10-6 12:32 4th
https://www.youtube.com/clip/UgkxgJfIqvnmYDYRNv2Hpp4eKri6hPVORth5

2013 BYU vs Houston
Taysom Hill 11-yard TD pass to Skyler Ridley - BYU 47-46 1:08 4th
https://www.youtube.com/clip/UgkxC4ZeWlwCHutChogaRn1aUN_zpje_R0lT

2014 BYU vs Cal
Christian Stewart 38-yard TD pass to Jordan Leslie - BYU 42-35 2:39 4th
https://www.youtube.com/clip/UgkxBmzXbIaDeRTKG9YmpJdIN7WM1Ol0MIrZ

2015 BYU vs Nebraska
Tanner Mangum 42-yard TD pass to Mitch Mathews - BYU 33-28 0:00 4th
https://www.youtube.com/clip/UgkxHaptpbkH-o0NR1iSGJ5Dcqs79-Y_n1Mo

2015 Boise State vs BYU
Tanner Mangum 35-yard TD pass to Mitchell Juergens - BYU 28-24 0:45 4th
https://www.youtube.com/clip/UgkxGtvzwKF5gk-j93BFThqBW6RNIzsdVKvQ

2015 East Carolina vs BYU
Algie Brown 9-yard TD run - BYU 45-38 0:19 4th
https://www.youtube.com/clip/UgkxaXbw7Qtg3Ak9UzsM7BEZ8GSvk6Jqvfii

2015 Cincinnati vs BYU
Tanner Mangum 53-yard TD pass to Nick Kurtz - BYU 31-24 8:14 4th
https://www.youtube.com/clip/Ugkx9Y_znR3EX20MT3df_SIppgllcH4jwrCZ

2016 BYU vs Arizona
Jake Oldroyd 33-yard field goal - BYU 18-16 0:04 4th
https://www.youtube.com/clip/Ugkx9yflDIKnIEgB-P_rQjrtM1oDoAjrbuAv

2016 Toledo vs BYU
Rhett Almond 19-yard field goal - BYU 55-53 0:00 4th
https://www.youtube.com/clip/UgkxNx-ALPX78peLcE-un7Xdzgw--QHYsNoI

2016 Mississippi State vs BYU
Taysom Hill 25-yard TD pass to Tanner Balderee - BYU 28-21 2OT
https://www.youtube.com/clip/Ugkxf2PakZw9W57j2P7r7lGzT6mXiTDq1ghP

2018 BYU vs Wisconsin
Skyler Southam 45-yard field goal - BYU 24-21 9:58 4th
https://www.youtube.com/clip/UgkxHR0PRhi391mDdLilqjT9YYbQ19UTMo21

2019 BYU vs Tennessee
Ty'Son Williams 5-yard TD run - BYU 29-26 2OT
https://www.youtube.com/clip/UgkxcNu5vkD4o5waoWDyfRWeGRADhLjQ3wub

2019 USC vs BYU
Jake Oldroyd 43-yard field goal - BYU 30-27 OT
https://www.youtube.com/clip/UgkxYbTbGxd2JjHudZsv1vfeLLJ7K568Z7gy

2020 BYU vs Houston
Zach Wilson 8-yard TD pass to Masen Wake - BYU 29-26 10:35 4th
https://www.youtube.com/clip/UgkxIuY8S6wgspF5qQZvD7_NJI17vcNjT3vg

2021 Virginia vs BYU
Jaren Hall 10-yard TD pass to Neil Pau'u - BYU 52-49 14:49 4th
https://www.youtube.com/clip/Ugkx8il38EFk_aTfufVFz49Cl2nl8ie4sxQf

2021 BYU vs USC
Jackson McChesney 7-yard TD run - BYU 35-31 3:57 4th
https://www.youtube.com/clip/UgkxD3YnuSc3LSu6dMO0fpkmFOv0llnuGNVs

2022 Team Navy vs Team Royal
Max Hall 55-yard TD pass to Bryan Kehl - Team Navy 31-27 0:00 4th
https://www.youtube.com/clip/Ugkx-pkS6J0drGLxCOJ2VEYXbzxBztRXIxuB

2022 Baylor vs BYU
Lopini Katoa 3-yard TD run - BYU 26-20 2OT
https://www.youtube.com/clip/Ugkxti98Z0jmBsXN8mgU7YSEjKCzY25yTVVi

2022 BYU vs Boise State
Jaren Hall 6-yard TD pass to Puka Nacua - BYU 31-28 1:46 4th
https://www.youtube.com/clip/Ugkx_3nu2g-34-5ktOYtfSvoqKAl6mIEdBSY