In 2019, Spencer originated the role of Julia’s older brother Samuel on Sesame Street. Some other highlights from Sesame Street include Kyle the Cabbage and the letter K!
His puppetry credits include SNL, Hello Tomorrow! (Apple +), John Krasinki’s upcoming feature If, Helpsters (Apple +), A Beautiful Day In The Neighborhood, America's Got Talent (Live at Radio City), Red Bird Lane (HBO Max/Pilot), Pineapple Playhouse (Nickelodeon/Youtube), Good Morning America, The Tonight Show with Jimmy Fallon, The Today Show, The Relationtrip (Hulu / SXSW 2017), Scarecrow (X-Factor’s Alex and Sierra), Night Train with Wyatt Cynac (Paul McGinnis Puppetry), The Kennedy Center Awards, Macy's Thanksgiving Day Parade with The Muppets, Sesame Street, and Fraggle Rock.