The phrase "a series of awkward" is correct and usable in written English.
It can be used to describe multiple instances or occurrences that are uncomfortable or socially clumsy.
Example: "The meeting was filled with a series of awkward silences that made everyone uncomfortable."
Alternatives: "a string of awkward" or "a succession of awkward".
Well, a first date is a series of awkward moments.
The Salzburg performance, despite a series of awkward cuts, came close to the ideal.
She describes a series of awkward encounters with label-endorsed songwriters that ended up "like therapy sessions".
Reading for these bad feelings reveals how vernacular style in the period is defined by a series of awkward, distressed, and partial reconciliations with humanism's stylistic imperatives.
Ms. Speis, left alone in the center of the stage, throws herself into a series of awkward, hurtling leaps, crashing to her knees and beating her breast.
In three different vignettes — all imagined by a young screenwriter — Isabelle Huppert arrives in an overcast Korean seaside town and has a series of awkward encounters.
The "S.N.L". influence held fast throughout the night, with Maya Rudolph and Fred Armisen, stars of a new Amazon show, "Forever," appearing in a series of awkward-on-purpose sketches and an out-of-breath Will Ferrell presenting the award for best comedy series.
In a series of achingly awkward (and therefore very real) experiences, Jack comes to a fuller, more complicated understanding of his father.
It seems that Comey's long career as a law enforcement official unfortunately peaked in a series of Larry David esque awkward social interactions with his new boss.
The Germans understand that without Britain their beloved Euro empire is just them and the French on a series of screechingly awkward dates.
That debate was more of a curiosity: It allowed Palin to outdo Biden in folksiness and recover from a series of painfully awkward media interviews but did little to alter the trajectory of the race.
