Midfielder Sercombe missed last weekend's 2-1 win over Dagenham with an ankle injury and while defender Archibald-Henville sat out due to a knee problem.
But both should be available for the trip to the Memorial Ground.
"I imagine both Liam and Troy will be fit for Saturday," boss Paul Tisdale told the Express & Echo.
"I could have pushed them both into playing (against Dagenham), I'm sure they could have done if they had to, but it wasn't worth it."
Source: PA
Source: PA