Mack Kisses Yo-Yo
01:21 | 12.06.16 | TV-14 | CC
Mack stops Yo-Yo as she leaves the team celebration. While she's telling him that she still can't figure him out, he silences her with a passionate kiss. From Season 4, Episode 8: The Laws of Inferno Dynamics. 'Marvel's Agents of S.H.I.E.L.D.' returns TUESDAY, JANUARY 10 on ABC.