Special Guest Stars John Stamos as Dr. Carl Howell Britney Spears as Herself Guest Stars Harry Shum, Jr. as Mike Chang Iqbal Theba as Principal Figgins Dot-Marie Jones as Coach Shannon Beiste Josh Sussman as Jacob Ben Israel Co Starring Lauren Potter as Becky Jackson Max Adler as Dave Karofsky Ashley Fink as Lauren Zizes James Earl as Azimio