Jason Segal shirtless in How I Met Your Mother 9-22 "The End Of The Aisle"

Adam Paul shirtless in How I Met Your Mother 9-16 "How Your Mother Met Me"

Josh Radnor shirtless in How I Met Your Mother 9-10 "Mom And Dad"

Neil Patrick Harris shirtless in How I Met Your Mother 9-05 "The Poker Game"

Josh Radnor and Neil Patrick Harris shirtless in How I Met Your Mother 9-04 "The Broken Code"

Max Emerson shirtless in How I Met Your Mother 9-02 "Coming Back"

Neil Patrick Harris shirtless in How I Met Your Mother 8-19 "The Fortress"

Neil Patrick Harris shirtless in How I Met Your Mother 8-18 "Weekend at Barney's"

Josh Radnor shirtless in How I Met Your Mother 8-13 "Band or DJ?"

Josh Radnor shirtless in How I Met Your Mother 8-09 "Lobster Crawl"

Joe Manganiello shirtless in How I Met Your Mother 8-08 "Twelve Horny Women"

Michael Trucco shirtless in How I Met Your Mother 8-06 "Splitsville"

Neil Patrick Harris shirtless in How I Met Your Mother 8-04 "Who Wants to Be a Godparent"

Neil Patrick Harris shirtless in How I Met Your Mother 8-03 "Nannies"

Michael Trucco, Neil Patrick Harris and Thomas Lennon shirtless in How I Met Your Mother 8-02 "The Pre-nup"

Neil Patrick Harris shirtless in How I Met Your Mother 7-23 "The Magician's Code: Part 1"

Josh Radnor shirtless in How I Met Your Mother 7-22 "Good Crazy"

Josh Radnor shirtless in How I Met Your Mother 7-21 "Now We're Even"

Neil Patrick Harris shirtless in How I Met Your Mother 7-20 "Trilogy Time"

Neil Patrick Harris shirtless in How I Met Your Mother 7-19 "The Broath"