Prime holding Megatron (G1 Episode question)

So MP-01/MP-04 Convoy comes with the mini non-transformable Megatron in gun mode that he can hold...In the instruction booklet it shows a screenshot from the cartoon where Prime is holding gun-Megatron...
In which episode did that occur? I don't recall that for some reason...
In which episode did that occur? I don't recall that for some reason...